./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:48:19,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:48:19,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:48:19,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:48:19,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:48:19,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:48:19,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:48:19,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:48:19,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:48:19,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:48:19,640 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:48:19,640 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:48:19,641 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:48:19,643 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:48:19,643 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:48:19,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:48:19,644 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:48:19,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:48:19,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:48:19,646 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:48:19,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:48:19,647 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:48:19,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:48:19,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:48:19,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:48:19,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:48:19,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:48:19,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:48:19,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:48:19,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:48:19,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:48:19,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:48:19,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:48:19,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:48:19,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:48:19,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:48:19,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:19,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:48:19,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:48:19,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:48:19,657 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:48:19,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:48:19,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:48:19,658 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:48:19,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:48:19,659 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 [2023-11-19 04:48:19,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:48:19,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:48:19,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:48:19,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:48:19,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:48:19,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-11-19 04:48:23,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:48:23,827 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:48:23,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-11-19 04:48:23,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/a2078f259/d6c99e389cf143d8ae01a048df5c9871/FLAG7bb040f00 [2023-11-19 04:48:23,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/a2078f259/d6c99e389cf143d8ae01a048df5c9871 [2023-11-19 04:48:23,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:48:23,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:48:23,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:23,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:48:23,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:48:23,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3708589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23, skipping insertion in model container [2023-11-19 04:48:23,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:48:24,066 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-11-19 04:48:24,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:24,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:48:24,156 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-11-19 04:48:24,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:24,219 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:48:24,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24 WrapperNode [2023-11-19 04:48:24,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:24,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:24,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:48:24,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:48:24,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,291 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-19 04:48:24,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:24,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:48:24,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:48:24,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:48:24,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:48:24,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:48:24,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:48:24,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:48:24,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (1/1) ... [2023-11-19 04:48:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:24,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:24,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:48:24,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:48:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:48:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:48:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:48:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:48:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:48:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:48:24,553 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:48:24,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:48:25,096 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:48:25,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:48:25,343 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:48:25,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:25 BoogieIcfgContainer [2023-11-19 04:48:25,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:48:25,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:48:25,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:48:25,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:48:25,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:23" (1/3) ... [2023-11-19 04:48:25,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe69334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:25, skipping insertion in model container [2023-11-19 04:48:25,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:24" (2/3) ... [2023-11-19 04:48:25,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe69334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:25, skipping insertion in model container [2023-11-19 04:48:25,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:25" (3/3) ... [2023-11-19 04:48:25,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-36.i [2023-11-19 04:48:25,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:48:25,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:48:25,474 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:48:25,486 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;@6b497ac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:48:25,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:48:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:48:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 04:48:25,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:25,517 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:25,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:25,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash -807832393, now seen corresponding path program 1 times [2023-11-19 04:48:25,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:25,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169256246] [2023-11-19 04:48:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:25,833 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:48:25,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313110768] [2023-11-19 04:48:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:25,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:48:25,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:25,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:48:25,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:48:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:48:26,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:48:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:48:26,374 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:48:26,377 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:48:26,381 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:48:26,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:48:26,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:48:26,600 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:48:26,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:48:26,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:48:26 BoogieIcfgContainer [2023-11-19 04:48:26,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:48:26,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:48:26,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:48:26,723 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:48:26,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:25" (3/4) ... [2023-11-19 04:48:26,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:48:26,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:48:26,728 INFO L158 Benchmark]: Toolchain (without parser) took 2869.36ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 125.3MB in the end (delta: 17.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-19 04:48:26,728 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 188.7MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:48:26,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.34ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 128.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:48:26,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.72ms. Allocated memory is still 188.7MB. Free memory was 128.3MB in the beginning and 125.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:48:26,730 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 188.7MB. Free memory was 125.0MB in the beginning and 123.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:48:26,731 INFO L158 Benchmark]: RCFGBuilder took 1014.16ms. Allocated memory is still 188.7MB. Free memory was 123.3MB in the beginning and 80.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:48:26,732 INFO L158 Benchmark]: TraceAbstraction took 1367.35ms. Allocated memory is still 188.7MB. Free memory was 80.4MB in the beginning and 125.3MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:48:26,732 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 188.7MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:48:26,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 188.7MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.34ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 128.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.72ms. Allocated memory is still 188.7MB. Free memory was 128.3MB in the beginning and 125.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 188.7MB. Free memory was 125.0MB in the beginning and 123.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.16ms. Allocated memory is still 188.7MB. Free memory was 123.3MB in the beginning and 80.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1367.35ms. Allocated memory is still 188.7MB. Free memory was 80.4MB in the beginning and 125.3MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 188.7MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.75; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 9.6; [L25] double var_1_4 = 7.625; [L26] double var_1_5 = 1.5; [L27] double var_1_6 = 63.17; [L28] double var_1_7 = 15.5; [L29] unsigned short int var_1_8 = 4; [L30] unsigned short int var_1_9 = 45624; [L31] unsigned short int var_1_10 = 39447; [L32] unsigned short int var_1_11 = 10; [L33] double var_1_12 = 255.5; [L34] double var_1_13 = 0.0; [L35] double var_1_14 = 127.5; [L36] float var_1_15 = 8.2; [L37] float var_1_16 = 2.8; [L38] signed short int var_1_17 = 8; [L39] double var_1_18 = 24.8; [L40] signed short int var_1_19 = -256; [L41] signed short int var_1_20 = 8; [L42] signed short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 2; [L44] signed long int var_1_23 = -100; [L45] unsigned short int var_1_24 = 16; [L46] unsigned char var_1_25 = 0; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=48/5, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L92] var_1_3 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=61/8, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=3/2, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=6317/100, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L98] var_1_6 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=31/2, var_1_8=4, var_1_9=45624] [L100] var_1_7 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=45624] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=45624] [L102] var_1_9 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_9 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 >= 32767) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L104] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, var_1_10=39447, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L105] var_1_10 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L107] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=32767, var_1_11=10, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L108] var_1_11 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L110] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=0, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=124/5, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_18 >= -922337.2036854776000e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854776000e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L115] CALL assume_abort_if_not(var_1_18 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_18 != 0.0F) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=-256, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L116] var_1_19 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_19 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_19 >= -32767) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L118] CALL assume_abort_if_not(var_1_19 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 <= 32766) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=8, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L121] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=16, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= -32766) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L124] CALL assume_abort_if_not(var_1_21 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 32766) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=-100, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L125] var_1_23 = __VERIFIER_nondet_long() [L126] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L127] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L128] var_1_25 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L130] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=255/2, var_1_15=41/5, var_1_16=14/5, var_1_17=8, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=4, var_1_9=32767] [L143] RET updateVariables() [L144] CALL step() [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) [L54] COND FALSE !(\read(var_1_2)) [L57] var_1_14 = var_1_6 [L58] COND TRUE var_1_13 >= var_1_14 [L59] COND FALSE !(\read(var_1_2)) [L65] COND TRUE var_1_3 <= var_1_4 [L66] var_1_16 = ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))) [L68] COND TRUE var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18)))) [L69] COND FALSE !((var_1_10 + var_1_9) <= var_1_11) [L74] var_1_17 = (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) [L79] COND FALSE !((var_1_11 + var_1_20) <= ((var_1_21 * var_1_23) * var_1_19)) [L82] COND FALSE !(var_1_9 < var_1_11) [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((((var_1_2 ? (var_1_1 == ((double) (((((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) < (var_1_7)) ? ((((((var_1_3 - var_1_4)) > (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))) ? ((var_1_3 - var_1_4)) : (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))))))) : (var_1_7))))) : 1) && (var_1_8 == ((unsigned short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11)))) && (var_1_2 ? (var_1_12 == ((double) (((((var_1_3 - (var_1_13 - 128.68))) < (var_1_7)) ? ((var_1_3 - (var_1_13 - 128.68))) : (var_1_7))))) : 1)) && (var_1_14 == ((double) var_1_6))) && ((var_1_13 >= var_1_14) ? (var_1_2 ? ((var_1_8 == var_1_11) ? (var_1_15 == ((float) 10.975f)) : 1) : 1) : 1)) && ((var_1_3 <= var_1_4) ? (var_1_16 == ((float) ((((var_1_6) < (var_1_4)) ? (var_1_6) : (var_1_4))))) : 1)) && ((var_1_7 >= (var_1_5 / ((((var_1_13) < (var_1_18)) ? (var_1_13) : (var_1_18))))) ? (((var_1_10 + var_1_9) <= var_1_11) ? (var_1_2 ? (var_1_17 == ((signed short int) var_1_19)) : 1) : (var_1_17 == ((signed short int) (var_1_20 - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))))) : (var_1_17 == ((signed short int) var_1_21)))) && (((var_1_11 + var_1_20) <= ((var_1_21 * var_1_23) * var_1_19)) ? (var_1_22 == ((unsigned short int) (((((var_1_9 - var_1_11)) > (var_1_10)) ? ((var_1_9 - var_1_11)) : (var_1_10))))) : 1)) && ((var_1_9 < var_1_11) ? ((var_1_2 || var_1_25) ? (var_1_24 == ((unsigned short int) 128)) : 1) : 1) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=14/5, var_1_15=41/5, var_1_16=14/5, var_1_17=0, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=32767, var_1_9=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32767, var_1_11=0, var_1_12=511/2, var_1_13=6, var_1_14=14/5, var_1_15=41/5, var_1_16=14/5, var_1_17=0, var_1_18=7, var_1_19=1, var_1_1=35/4, var_1_20=1, var_1_21=1, var_1_22=2, var_1_23=0, var_1_24=16, var_1_25=0, var_1_2=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=14/5, var_1_7=5, var_1_8=32767, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:48:26,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:48:29,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:48:29,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:48:29,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:48:29,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:48:29,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:48:29,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:48:29,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:48:29,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:48:29,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:48:29,729 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:48:29,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:48:29,730 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:48:29,732 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:48:29,733 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:48:29,733 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:48:29,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:48:29,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:48:29,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:48:29,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:48:29,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:48:29,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:48:29,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:48:29,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:48:29,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:48:29,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:48:29,741 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:48:29,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:48:29,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:48:29,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:48:29,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:48:29,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:48:29,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:48:29,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:29,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:48:29,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:48:29,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:48:29,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:48:29,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:48:29,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:48:29,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:48:29,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:48:29,748 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f5b5ff94f4836a99c81109f7a8f905db9934ea0167b4088f287cfdf0bb88b00 [2023-11-19 04:48:30,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:48:30,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:48:30,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:48:30,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:48:30,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:48:30,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-11-19 04:48:33,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:48:33,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:48:33,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i [2023-11-19 04:48:33,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/60927f4da/c543b9c91c90491489919998f128358a/FLAG655ba236a [2023-11-19 04:48:33,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/data/60927f4da/c543b9c91c90491489919998f128358a [2023-11-19 04:48:33,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:48:33,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:48:33,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:33,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:48:33,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:48:33,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:33" (1/1) ... [2023-11-19 04:48:33,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbb41ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:33, skipping insertion in model container [2023-11-19 04:48:33,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:33" (1/1) ... [2023-11-19 04:48:33,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:48:34,134 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-11-19 04:48:34,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:34,264 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:48:34,283 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_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-36.i[913,926] [2023-11-19 04:48:34,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:34,376 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:48:34,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34 WrapperNode [2023-11-19 04:48:34,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:34,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:34,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:48:34,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:48:34,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,471 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 04:48:34,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:34,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:48:34,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:48:34,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:48:34,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:48:34,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:48:34,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:48:34,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:48:34,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (1/1) ... [2023-11-19 04:48:34,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:34,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:34,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:48:34,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:48:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:48:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:48:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:48:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:48:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:48:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:48:34,751 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:48:34,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:48:43,267 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:48:43,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:48:43,277 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:48:43,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:43 BoogieIcfgContainer [2023-11-19 04:48:43,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:48:43,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:48:43,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:48:43,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:48:43,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:33" (1/3) ... [2023-11-19 04:48:43,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d22a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:43, skipping insertion in model container [2023-11-19 04:48:43,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:34" (2/3) ... [2023-11-19 04:48:43,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d22a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:43, skipping insertion in model container [2023-11-19 04:48:43,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:43" (3/3) ... [2023-11-19 04:48:43,290 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-36.i [2023-11-19 04:48:43,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:48:43,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:48:43,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:48:43,368 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;@1c436ac1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:48:43,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:48:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:48:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 04:48:43,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:43,393 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:43,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:43,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1434041965, now seen corresponding path program 1 times [2023-11-19 04:48:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:48:43,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859884063] [2023-11-19 04:48:43,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:43,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:48:43,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:48:43,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:48:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:44,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:48:44,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:48:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-19 04:48:45,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:48:45,024 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:48:45,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859884063] [2023-11-19 04:48:45,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859884063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:45,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:45,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:48:45,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808522656] [2023-11-19 04:48:45,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:45,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:48:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:48:45,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:48:45,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:48:45,070 INFO L87 Difference]: Start difference. First operand has 75 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:48:45,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:45,111 INFO L93 Difference]: Finished difference Result 143 states and 250 transitions. [2023-11-19 04:48:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:48:45,114 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-19 04:48:45,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:45,123 INFO L225 Difference]: With dead ends: 143 [2023-11-19 04:48:45,124 INFO L226 Difference]: Without dead ends: 71 [2023-11-19 04:48:45,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:48:45,133 INFO L413 NwaCegarLoop]: 108 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, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:45,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:48:45,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-19 04:48:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-19 04:48:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:48:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2023-11-19 04:48:45,205 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 164 [2023-11-19 04:48:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:45,206 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2023-11-19 04:48:45,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:48:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-19 04:48:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 04:48:45,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:45,217 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:45,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:48:45,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:45,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:45,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:45,434 INFO L85 PathProgramCache]: Analyzing trace with hash -405884085, now seen corresponding path program 1 times [2023-11-19 04:48:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:48:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832793183] [2023-11-19 04:48:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:45,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:48:45,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:48:45,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e2dec7-3769-422e-9e98-f8ba3dbe1551/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:48:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:47,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:48:47,069 INFO L285 TraceCheckSpWp]: Computing forward predicates...