./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c438e6c9197a881b4d4e2319837b570cca3414de745bf48aba5a7ed68a2e7de0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:44,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:44,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:44,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:44,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:44,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:44,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:44,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:44,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:44,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:44,491 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:44,492 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:44,493 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:44,495 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:44,495 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:44,496 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:44,497 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:44,497 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:44,498 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:44,498 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:44,499 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:44,500 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:44,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:44,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:44,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:44,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:44,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:44,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:44,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:44,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:44,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:44,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:44,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:44,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:44,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:44,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:44,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:44,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:44,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:44,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:44,510 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:44,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:44,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:44,511 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:44,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:44,512 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c438e6c9197a881b4d4e2319837b570cca3414de745bf48aba5a7ed68a2e7de0 [2023-11-19 05:16:44,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:44,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:44,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:44,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:44,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:44,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:16:48,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:48,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:48,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:16:48,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/701226566/2ddaf9c84ea54eb7a9d970f0473cb600/FLAG6856c3411 [2023-11-19 05:16:48,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/701226566/2ddaf9c84ea54eb7a9d970f0473cb600 [2023-11-19 05:16:48,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:48,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:48,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:48,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:48,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:48,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:48" (1/1) ... [2023-11-19 05:16:48,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269499d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:48, skipping insertion in model container [2023-11-19 05:16:48,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:48" (1/1) ... [2023-11-19 05:16:48,785 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:49,010 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i[916,929] [2023-11-19 05:16:49,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:49,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:49,157 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i[916,929] [2023-11-19 05:16:49,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:49,243 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:49,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49 WrapperNode [2023-11-19 05:16:49,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:49,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:49,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:49,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:49,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,351 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-19 05:16:49,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:49,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:49,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:49,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:49,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:49,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:49,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:49,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:49,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (1/1) ... [2023-11-19 05:16:49,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:49,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:49,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:49,701 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:49,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:50,429 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:50,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:50,867 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:50,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50 BoogieIcfgContainer [2023-11-19 05:16:50,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:50,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:50,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:50,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:50,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:48" (1/3) ... [2023-11-19 05:16:50,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74579811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:49" (2/3) ... [2023-11-19 05:16:50,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74579811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:50, skipping insertion in model container [2023-11-19 05:16:50,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/3) ... [2023-11-19 05:16:50,890 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:16:50,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:50,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:50,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:51,004 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;@2f36ea88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:51,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:16:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 05:16:51,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:51,039 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:51,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:51,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1097086211, now seen corresponding path program 1 times [2023-11-19 05:16:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723902525] [2023-11-19 05:16:51,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:51,368 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:16:51,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979785129] [2023-11-19 05:16:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:51,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:16:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:51,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:16:51,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:16:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:51,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:16:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:52,156 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:16:52,159 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:16:52,161 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:52,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:52,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:16:52,376 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:52,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:52,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:52 BoogieIcfgContainer [2023-11-19 05:16:52,591 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:52,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:52,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:52,592 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:52,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:50" (3/4) ... [2023-11-19 05:16:52,597 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:16:52,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:52,600 INFO L158 Benchmark]: Toolchain (without parser) took 3888.68ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.9MB in the beginning and 96.6MB in the end (delta: 6.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,601 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:52,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.44ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 86.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.28ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 81.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,609 INFO L158 Benchmark]: Boogie Preprocessor took 68.44ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,611 INFO L158 Benchmark]: RCFGBuilder took 1452.93ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 78.1MB in the beginning and 83.1MB in the end (delta: -5.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,613 INFO L158 Benchmark]: TraceAbstraction took 1713.19ms. Allocated memory is still 176.2MB. Free memory was 82.2MB in the beginning and 97.6MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:52,613 INFO L158 Benchmark]: Witness Printer took 7.02ms. Allocated memory is still 176.2MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:52,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.44ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 86.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.28ms. Allocated memory is still 146.8MB. Free memory was 86.5MB in the beginning and 81.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.44ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1452.93ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 78.1MB in the beginning and 83.1MB in the end (delta: -5.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1713.19ms. Allocated memory is still 176.2MB. Free memory was 82.2MB in the beginning and 97.6MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.02ms. Allocated memory is still 176.2MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someBinaryArithmeticFLOAToperation at line 90, overapproximation of someUnaryFLOAToperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_3 = 0; [L24] float var_1_8 = 128.5; [L25] float var_1_9 = 127.75; [L26] float var_1_10 = 31.8; [L27] float var_1_11 = 32.5; [L28] unsigned char var_1_12 = 8; [L29] unsigned char var_1_13 = 100; [L30] unsigned char var_1_14 = 25; [L31] unsigned char var_1_15 = 32; [L32] unsigned char var_1_16 = 16; [L33] double var_1_17 = 64.8; [L34] unsigned char var_1_18 = 1; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed char var_1_21 = -100; [L38] signed long int var_1_22 = -1; [L39] float var_1_23 = 5.6; [L40] float var_1_24 = 50.88; [L41] signed short int var_1_25 = -5; [L42] unsigned char var_1_26 = 1; [L43] unsigned char var_1_27 = 128; [L44] unsigned char var_1_28 = 5; [L45] signed short int var_1_29 = -64; [L46] unsigned long int var_1_32 = 16; [L47] unsigned char last_1_var_1_12 = 8; [L48] unsigned char last_1_var_1_18 = 1; [L49] signed short int last_1_var_1_25 = -5; [L50] unsigned char last_1_var_1_26 = 1; [L191] isInitial = 1 [L192] FCALL initially() [L193] int k_loop; [L194] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=0, var_1_8=257/2, var_1_9=511/4] [L194] COND TRUE k_loop < 1 [L195] CALL updateLastVariables() [L181] last_1_var_1_12 = var_1_12 [L182] last_1_var_1_18 = var_1_18 [L183] last_1_var_1_25 = var_1_25 [L184] last_1_var_1_26 = var_1_26 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_8=257/2, var_1_9=511/4] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_8=257/2, var_1_9=511/4] [L142] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=511/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=511/4] [L143] var_1_9 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=159/5, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L145] var_1_10 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=65/2, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L147] var_1_11 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=100, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_13 >= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L151] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=25, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L152] var_1_14 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L154] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=32, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L155] var_1_15 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_15 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L157] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=16, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L158] var_1_16 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L160] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L161] var_1_19 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L164] var_1_20 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L166] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=-1, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L167] var_1_22 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_22 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_22 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L169] CALL assume_abort_if_not(var_1_22 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_22 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L170] CALL assume_abort_if_not(var_1_22 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_22 != 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=1272/25, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L171] var_1_24 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=128, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L173] var_1_27 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L175] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=5, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L176] var_1_28 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=127, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=127, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L178] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=127, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=8, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=1, var_1_19=0, var_1_1=-5, var_1_20=0, var_1_21=-100, var_1_22=2, var_1_23=28/5, var_1_24=5, var_1_25=-5, var_1_26=1, var_1_27=127, var_1_28=127, var_1_29=-64, var_1_32=16, var_1_3=1, var_1_8=257/2, var_1_9=2] [L196] RET updateVariables() [L197] CALL step() [L54] unsigned char stepLocal_1 = last_1_var_1_18; [L55] signed long int stepLocal_0 = last_1_var_1_12; [L56] COND TRUE last_1_var_1_18 || stepLocal_1 [L57] COND TRUE stepLocal_0 >= last_1_var_1_26 [L58] var_1_1 = (last_1_var_1_12 + last_1_var_1_12) [L65] unsigned long int stepLocal_8 = 10u / var_1_13; [L66] COND TRUE ! var_1_20 [L67] COND TRUE stepLocal_8 < (var_1_22 + var_1_1) [L68] var_1_26 = ((((var_1_13) < ((var_1_27 - var_1_28))) ? (var_1_13) : ((var_1_27 - var_1_28)))) [L73] signed long int stepLocal_4 = ((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))) / var_1_22; [L74] COND FALSE !(((25 + var_1_26) / var_1_15) > stepLocal_4) [L77] var_1_21 = var_1_14 [L79] signed short int stepLocal_3 = var_1_1; [L80] signed char stepLocal_2 = var_1_21; [L81] COND TRUE var_1_1 >= stepLocal_2 [L82] var_1_12 = ((var_1_13 - var_1_14) + (100 - (var_1_15 - var_1_16))) [L90] var_1_8 = ((var_1_9 - var_1_10) + var_1_11) [L91] COND TRUE \read(var_1_3) [L92] var_1_18 = (var_1_19 || ((var_1_10 > var_1_8) && var_1_20)) [L96] unsigned char stepLocal_10 = var_1_26; [L97] COND FALSE !(var_1_8 <= (var_1_24 * ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) [L104] var_1_32 = var_1_27 [L106] COND FALSE !((((((var_1_13) > (0)) ? (var_1_13) : (0))) - var_1_32) >= var_1_32) [L109] COND FALSE !(\read(var_1_18)) [L113] COND FALSE !(var_1_32 <= (- var_1_21)) [L116] var_1_23 = ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) [L118] signed long int stepLocal_7 = -32; [L119] unsigned long int stepLocal_6 = var_1_32; [L120] unsigned char stepLocal_5 = 10 > 8; [L121] COND FALSE !(stepLocal_7 > (~ last_1_var_1_25)) [L128] var_1_25 = var_1_14 [L130] unsigned char stepLocal_9 = var_1_18; [L131] COND FALSE !(stepLocal_9 && var_1_18) [L136] var_1_29 = 1000 [L197] RET step() [L198] CALL, EXPR property() [L187-L188] return (((((((((((last_1_var_1_18 || last_1_var_1_18) ? ((last_1_var_1_12 >= last_1_var_1_26) ? (var_1_1 == ((signed short int) (last_1_var_1_12 + last_1_var_1_12))) : (var_1_1 == ((signed short int) last_1_var_1_12))) : (var_1_1 == ((signed short int) last_1_var_1_12))) && (var_1_8 == ((float) ((var_1_9 - var_1_10) + var_1_11)))) && ((var_1_1 >= var_1_21) ? (var_1_12 == ((unsigned char) ((var_1_13 - var_1_14) + (100 - (var_1_15 - var_1_16))))) : ((var_1_1 <= 100) ? (var_1_12 == ((unsigned char) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : (var_1_12 == ((unsigned char) var_1_13))))) && (((((((var_1_13) > (0)) ? (var_1_13) : (0))) - var_1_32) >= var_1_32) ? (var_1_17 == ((double) (var_1_10 + var_1_9))) : (var_1_18 ? (var_1_17 == ((double) var_1_9)) : 1))) && (var_1_3 ? (var_1_18 == ((unsigned char) (var_1_19 || ((var_1_10 > var_1_8) && var_1_20)))) : (var_1_18 == ((unsigned char) ((! (! var_1_19)) || var_1_20))))) && ((((25 + var_1_26) / var_1_15) > (((((var_1_16) < (var_1_13)) ? (var_1_16) : (var_1_13))) / var_1_22)) ? (var_1_21 == ((signed char) ((((var_1_16) < (var_1_14)) ? (var_1_16) : (var_1_14))))) : (var_1_21 == ((signed char) var_1_14)))) && ((var_1_32 <= (- var_1_21)) ? (var_1_23 == ((float) ((((((var_1_10) < (var_1_9)) ? (var_1_10) : (var_1_9))) - var_1_24) + var_1_11))) : (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))))) && ((-32 > (~ last_1_var_1_25)) ? (((var_1_10 <= (- var_1_9)) || (10 > 8)) ? ((last_1_var_1_25 > var_1_32) ? (var_1_25 == ((signed short int) var_1_32)) : 1) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((! var_1_20) ? (((10u / var_1_13) < (var_1_22 + var_1_1)) ? (var_1_26 == ((unsigned char) ((((var_1_13) < ((var_1_27 - var_1_28))) ? (var_1_13) : ((var_1_27 - var_1_28)))))) : (var_1_26 == ((unsigned char) (var_1_16 + var_1_15)))) : 1)) && ((var_1_18 && var_1_18) ? (((var_1_10 - (var_1_9 + var_1_24)) == var_1_23) ? (var_1_29 == ((signed short int) ((((var_1_14) < (((((1) < (var_1_21)) ? (1) : (var_1_21))))) ? (var_1_14) : (((((1) < (var_1_21)) ? (1) : (var_1_21)))))))) : 1) : (var_1_29 == ((signed short int) 1000)))) && ((var_1_8 <= (var_1_24 * ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))) ? ((var_1_26 > (- (- var_1_26))) ? (var_1_32 == ((unsigned long int) var_1_26)) : (var_1_32 == ((unsigned long int) var_1_13))) : (var_1_32 == ((unsigned long int) var_1_27))) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=201, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=6, var_1_24=5, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=127, var_1_29=1000, var_1_32=127, var_1_3=1, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_18=1, last_1_var_1_25=-5, last_1_var_1_26=1, var_1_10=3, var_1_11=4, var_1_12=201, var_1_13=127, var_1_14=0, var_1_15=31, var_1_16=5, var_1_17=324/5, var_1_18=0, var_1_19=0, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=2, var_1_23=6, var_1_24=5, var_1_25=0, var_1_26=0, var_1_27=127, var_1_28=127, var_1_29=1000, var_1_32=127, var_1_3=1, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 25, 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:16:52,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c438e6c9197a881b4d4e2319837b570cca3414de745bf48aba5a7ed68a2e7de0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:55,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:55,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:16:55,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:55,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:55,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:55,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:55,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:55,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:55,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:55,843 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:55,844 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:55,845 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:55,847 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:55,847 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:55,848 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:55,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:55,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:55,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:55,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:55,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:55,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:55,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:55,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:55,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:16:55,854 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:16:55,855 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:16:55,856 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:55,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:55,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:55,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:55,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:16:55,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:55,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:55,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:55,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:55,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:55,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:16:55,862 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:16:55,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:55,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:55,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:55,864 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c438e6c9197a881b4d4e2319837b570cca3414de745bf48aba5a7ed68a2e7de0 [2023-11-19 05:16:56,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:56,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:56,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:56,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:56,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:56,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:16:59,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:00,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:00,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:17:00,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/a322f1456/afa0b8c7a1c24ed0a6e5f093e801a668/FLAG3e6b828fe [2023-11-19 05:17:00,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/data/a322f1456/afa0b8c7a1c24ed0a6e5f093e801a668 [2023-11-19 05:17:00,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:00,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:00,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:00,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:00,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:00,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:00" (1/1) ... [2023-11-19 05:17:00,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f221cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:00, skipping insertion in model container [2023-11-19 05:17:00,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:00" (1/1) ... [2023-11-19 05:17:00,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:00,673 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i[916,929] [2023-11-19 05:17:00,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:00,831 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:00,854 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_75a727b3-7af6-4ae1-8da3-48c0424d3190/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-48.i[916,929] [2023-11-19 05:17:00,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:01,022 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:01,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01 WrapperNode [2023-11-19 05:17:01,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:01,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:01,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:01,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:01,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,158 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-19 05:17:01,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:01,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:01,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:01,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:01,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:01,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:01,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:01,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:01,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (1/1) ... [2023-11-19 05:17:01,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:01,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:01,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:17:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:01,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:01,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:01,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:01,506 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:01,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:05,644 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:05,656 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:05,659 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:05,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:05 BoogieIcfgContainer [2023-11-19 05:17:05,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:05,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:05,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:05,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:05,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:00" (1/3) ... [2023-11-19 05:17:05,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa4127d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:05, skipping insertion in model container [2023-11-19 05:17:05,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:01" (2/3) ... [2023-11-19 05:17:05,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa4127d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:05, skipping insertion in model container [2023-11-19 05:17:05,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:05" (3/3) ... [2023-11-19 05:17:05,680 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-48.i [2023-11-19 05:17:05,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:05,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:05,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:05,760 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;@b8a5f93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:05,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:17:05,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:05,784 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:05,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:05,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash -955671759, now seen corresponding path program 1 times [2023-11-19 05:17:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:05,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729616989] [2023-11-19 05:17:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:05,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:05,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:05,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:05,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:17:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:06,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:06,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2023-11-19 05:17:06,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:06,801 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:06,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729616989] [2023-11-19 05:17:06,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729616989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:06,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:06,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519981518] [2023-11-19 05:17:06,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:06,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:06,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:06,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:06,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:06,859 INFO L87 Difference]: Start difference. First operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:06,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:06,905 INFO L93 Difference]: Finished difference Result 165 states and 280 transitions. [2023-11-19 05:17:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:06,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2023-11-19 05:17:06,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:06,914 INFO L225 Difference]: With dead ends: 165 [2023-11-19 05:17:06,914 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 05:17:06,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:06,922 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:06,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 05:17:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 05:17:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:17:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 122 transitions. [2023-11-19 05:17:06,973 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 122 transitions. Word has length 165 [2023-11-19 05:17:06,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:06,974 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 122 transitions. [2023-11-19 05:17:06,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:17:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2023-11-19 05:17:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:17:06,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:06,980 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:07,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:07,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:07,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:07,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1513896379, now seen corresponding path program 1 times [2023-11-19 05:17:07,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:07,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529615234] [2023-11-19 05:17:07,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:07,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:07,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:07,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:07,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:17:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:07,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:17:07,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:17:09,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:09,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:09,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529615234] [2023-11-19 05:17:09,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529615234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:09,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:09,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:17:09,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846255017] [2023-11-19 05:17:09,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:09,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:17:09,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:09,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:17:09,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:09,188 INFO L87 Difference]: Start difference. First operand 80 states and 122 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:17:11,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:13,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:15,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:18,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:20,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:22,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:22,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:22,018 INFO L93 Difference]: Finished difference Result 235 states and 361 transitions. [2023-11-19 05:17:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:17:22,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-19 05:17:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:22,072 INFO L225 Difference]: With dead ends: 235 [2023-11-19 05:17:22,072 INFO L226 Difference]: Without dead ends: 158 [2023-11-19 05:17:22,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:17:22,075 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 130 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 51 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:22,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 460 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 12.7s Time] [2023-11-19 05:17:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-19 05:17:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 126. [2023-11-19 05:17:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 73 states have internal predecessors, (92), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:17:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 192 transitions. [2023-11-19 05:17:22,118 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 192 transitions. Word has length 165 [2023-11-19 05:17:22,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:22,119 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 192 transitions. [2023-11-19 05:17:22,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:17:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 192 transitions. [2023-11-19 05:17:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 05:17:22,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:22,124 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:22,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:22,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:22,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:22,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash 958737469, now seen corresponding path program 1 times [2023-11-19 05:17:22,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:22,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948665962] [2023-11-19 05:17:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:22,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:22,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:22,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:17:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:23,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:17:23,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 05:17:23,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:24,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:24,300 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:24,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948665962] [2023-11-19 05:17:24,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948665962] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:24,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1265272545] [2023-11-19 05:17:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:24,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:17:24,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:17:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:17:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:25,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:17:25,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 05:17:26,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:26,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1265272545] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:26,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816742194] [2023-11-19 05:17:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:26,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:26,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:26,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:17:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:27,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:17:27,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 568 proven. 24 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2023-11-19 05:17:27,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:17:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816742194] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:28,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:17:28,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-19 05:17:28,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675813715] [2023-11-19 05:17:28,157 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:17:28,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:17:28,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:17:28,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:17:28,164 INFO L87 Difference]: Start difference. First operand 126 states and 192 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-19 05:17:31,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:33,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:35,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:17:35,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:35,231 INFO L93 Difference]: Finished difference Result 219 states and 325 transitions. [2023-11-19 05:17:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:17:35,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 166 [2023-11-19 05:17:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:35,279 INFO L225 Difference]: With dead ends: 219 [2023-11-19 05:17:35,279 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 05:17:35,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 994 GetRequests, 982 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:17:35,282 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 139 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 36 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:35,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 218 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-11-19 05:17:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 05:17:35,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2023-11-19 05:17:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:17:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 197 transitions. [2023-11-19 05:17:35,312 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 197 transitions. Word has length 166 [2023-11-19 05:17:35,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:35,313 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 197 transitions. [2023-11-19 05:17:35,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-19 05:17:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2023-11-19 05:17:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 05:17:35,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:35,318 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:35,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:35,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-19 05:17:35,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:35,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:35,932 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:35,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1984475090, now seen corresponding path program 1 times [2023-11-19 05:17:35,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:35,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756710541] [2023-11-19 05:17:35,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:35,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:35,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:35,935 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:17:35,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a727b3-7af6-4ae1-8da3-48c0424d3190/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:17:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:37,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 05:17:37,388 INFO L285 TraceCheckSpWp]: Computing forward predicates...