./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX --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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:40,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:40,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:10:40,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:40,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:40,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:40,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:40,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:40,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:40,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:40,506 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:40,506 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:40,507 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:40,510 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:40,511 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:40,512 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:40,513 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:40,518 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:40,519 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:40,519 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:40,520 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:40,521 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:40,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:40,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:40,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:40,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:40,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:40,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:40,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:40,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:40,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:40,528 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:40,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:40,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:40,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:40,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:40,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:40,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:40,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:40,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:40,531 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:40,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:40,532 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:40,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:40,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:40,534 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_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-12 00:10:40,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:40,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:40,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:40,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:40,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:40,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:10:44,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:44,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:44,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:10:44,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/76e40e127/d3f3be8bba2a448597e63a6faa0bb61f/FLAG32c62b750 [2023-11-12 00:10:44,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/76e40e127/d3f3be8bba2a448597e63a6faa0bb61f [2023-11-12 00:10:44,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:44,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:44,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:44,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:44,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:44,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:44" (1/1) ... [2023-11-12 00:10:44,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfb17b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:44, skipping insertion in model container [2023-11-12 00:10:44,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:44" (1/1) ... [2023-11-12 00:10:44,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:44,816 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_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-12 00:10:44,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:44,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:44,964 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_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-12 00:10:45,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:45,037 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:45,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45 WrapperNode [2023-11-12 00:10:45,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:45,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:45,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:45,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:45,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,116 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2023-11-12 00:10:45,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:45,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:45,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:45,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:45,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:45,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:45,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:45,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:45,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (1/1) ... [2023-11-12 00:10:45,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:45,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:45,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:45,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:45,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:46,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:46,873 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:46,873 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:46,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:46 BoogieIcfgContainer [2023-11-12 00:10:46,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:46,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:46,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:46,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:46,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:44" (1/3) ... [2023-11-12 00:10:46,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4a6079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:46, skipping insertion in model container [2023-11-12 00:10:46,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:45" (2/3) ... [2023-11-12 00:10:46,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4a6079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:46, skipping insertion in model container [2023-11-12 00:10:46,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:46" (3/3) ... [2023-11-12 00:10:46,893 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:10:46,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:46,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:46,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:47,000 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;@1d07385a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:47,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:10:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-12 00:10:47,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:47,023 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:47,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:47,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:47,034 INFO L85 PathProgramCache]: Analyzing trace with hash -963240274, now seen corresponding path program 1 times [2023-11-12 00:10:47,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309886119] [2023-11-12 00:10:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:47,331 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:10:47,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331106023] [2023-11-12 00:10:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:47,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:47,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:47,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:10:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:47,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:10:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:48,291 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:10:48,293 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:10:48,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:48,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:10:48,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:10:48,510 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:10:48,513 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:48,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:48 BoogieIcfgContainer [2023-11-12 00:10:48,668 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:48,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:48,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:48,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:48,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:46" (3/4) ... [2023-11-12 00:10:48,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:10:48,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:48,672 INFO L158 Benchmark]: Toolchain (without parser) took 4112.84ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 99.2MB in the beginning and 118.8MB in the end (delta: -19.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,673 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:48,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.98ms. Allocated memory is still 127.9MB. Free memory was 98.9MB in the beginning and 82.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.33ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,675 INFO L158 Benchmark]: Boogie Preprocessor took 49.19ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,676 INFO L158 Benchmark]: RCFGBuilder took 1709.83ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 76.5MB in the beginning and 115.1MB in the end (delta: -38.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,676 INFO L158 Benchmark]: TraceAbstraction took 1786.18ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 118.8MB in the end (delta: -4.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-12 00:10:48,677 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 155.2MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:48,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.98ms. Allocated memory is still 127.9MB. Free memory was 98.9MB in the beginning and 82.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.33ms. Allocated memory is still 127.9MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.19ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1709.83ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 76.5MB in the beginning and 115.1MB in the end (delta: -38.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1786.18ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 118.8MB in the end (delta: -4.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 155.2MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of bitwiseOr at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 10; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 5; [L27] double var_1_7 = 4.175; [L28] unsigned char var_1_9 = 100; [L29] unsigned short int var_1_10 = 128; [L30] float var_1_11 = 10.6; [L31] float var_1_12 = 16.25; [L32] float var_1_13 = 0.0; [L33] float var_1_14 = 127.2; [L34] double var_1_15 = 0.75; [L35] unsigned char var_1_18 = 1; [L36] unsigned char var_1_19 = 1; [L37] signed char var_1_20 = 1; [L38] signed short int var_1_21 = -1; [L39] unsigned long int var_1_22 = 1000000000; [L40] signed long int var_1_23 = -50; [L41] unsigned long int var_1_24 = 3900988395; [L42] unsigned long int var_1_25 = 2230016845; [L43] unsigned long int var_1_26 = 256; [L44] unsigned long int var_1_27 = 4; [L45] signed char var_1_29 = 8; [L46] signed long int last_1_var_1_1 = 2; [L47] unsigned char last_1_var_1_9 = 100; [L48] unsigned short int last_1_var_1_10 = 128; [L49] double last_1_var_1_15 = 0.75; [L50] signed short int last_1_var_1_21 = -1; [L51] unsigned long int last_1_var_1_22 = 1000000000; [L52] unsigned long int last_1_var_1_27 = 4; [L53] signed char last_1_var_1_29 = 8; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L173] last_1_var_1_1 = var_1_1 [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_10 = var_1_10 [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_22 = var_1_22 [L179] last_1_var_1_27 = var_1_27 [L180] last_1_var_1_29 = var_1_29 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L143] var_1_3 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L149] var_1_5 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L151] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L152] var_1_12 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L154] var_1_13 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_13 >= 6917529.027641073700e+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, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L161] var_1_23 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L163] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L164] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L165] var_1_24 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_24 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L167] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L168] var_1_25 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_25 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L170] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=167/40, var_1_9=100] [L191] RET updateVariables() [L192] CALL step() [L57] signed long int stepLocal_3 = last_1_var_1_1 * last_1_var_1_29; [L58] COND FALSE !(var_1_5 == stepLocal_3) [L61] var_1_21 = ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))) [L63] signed long int stepLocal_4 = last_1_var_1_10; [L64] COND TRUE (var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= stepLocal_4 [L65] COND TRUE \read(var_1_19) [L66] var_1_22 = (var_1_24 - (last_1_var_1_9 + var_1_4)) [L71] COND FALSE !(last_1_var_1_15 < (- var_1_14)) [L74] var_1_10 = ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4))) [L75] var_1_11 = (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13)))) [L76] var_1_20 = var_1_5 [L77] COND TRUE var_1_21 != 10 [L78] var_1_9 = ((((var_1_4) > (2)) ? (var_1_4) : (2))) [L90] signed short int stepLocal_2 = var_1_21; [L91] unsigned long int stepLocal_1 = var_1_22; [L92] COND TRUE (var_1_9 * (var_1_4 * var_1_5)) < stepLocal_2 [L93] EXPR var_1_9 ^ var_1_4 [L93] EXPR var_1_5 | (var_1_9 ^ var_1_4) [L93] COND TRUE stepLocal_1 != (var_1_5 | (var_1_9 ^ var_1_4)) [L94] COND TRUE \read(var_1_18) [L95] var_1_7 = 8.5 [L99] COND TRUE \read(var_1_18) [L100] var_1_15 = ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L112] signed long int stepLocal_0 = 500 * var_1_10; [L113] COND TRUE \read(var_1_18) [L114] COND FALSE !((var_1_3 - (var_1_4 - var_1_5)) >= stepLocal_0) [L120] COND TRUE var_1_18 && var_1_19 [L121] var_1_27 = ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))) [L123] COND TRUE (var_1_13 - var_1_14) <= var_1_12 [L124] var_1_26 = (var_1_25 - var_1_27) [L128] unsigned char stepLocal_5 = var_1_13 < var_1_15; [L129] COND TRUE var_1_18 || stepLocal_5 [L130] COND FALSE !((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) [L133] var_1_29 = var_1_5 [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 [L183] EXPR var_1_9 ^ var_1_4 [L183] EXPR var_1_5 | (var_1_9 ^ var_1_4) [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183-L184] return ((((((((((((var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)) && ((var_1_21 != 10) ? (var_1_9 == ((unsigned char) ((((var_1_4) > (2)) ? (var_1_4) : (2))))) : ((var_1_22 > (var_1_21 / 128)) ? (var_1_18 ? (var_1_9 == ((unsigned char) var_1_4)) : (var_1_9 == ((unsigned char) var_1_5))) : (var_1_9 == ((unsigned char) var_1_4))))) && (var_1_10 == ((unsigned short int) ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4)))))) && (var_1_11 == ((float) (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13))))))) && (var_1_18 ? (var_1_15 == ((double) ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : ((var_1_22 < var_1_4) ? ((var_1_18 || var_1_18) ? (var_1_15 == ((double) var_1_14)) : (var_1_15 == ((double) var_1_14))) : (var_1_15 == ((double) var_1_13))))) && ((last_1_var_1_15 < (- var_1_14)) ? (var_1_18 == ((unsigned char) (var_1_2 || var_1_19))) : 1)) && (var_1_20 == ((signed char) var_1_5))) && ((var_1_5 == (last_1_var_1_1 * last_1_var_1_29)) ? (var_1_21 == ((signed short int) ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) : (var_1_21 == ((signed short int) ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))))))) && (((var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= last_1_var_1_10) ? (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_24 - (last_1_var_1_9 + var_1_4)))) : (var_1_22 == ((unsigned long int) (((((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) < (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))) ? ((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) : (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))))))) : 1)) && (((var_1_13 - var_1_14) <= var_1_12) ? (var_1_26 == ((unsigned long int) (var_1_25 - var_1_27))) : (var_1_26 == ((unsigned long int) ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))))))) && ((var_1_18 && var_1_19) ? (var_1_27 == ((unsigned long int) ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))))) : 1)) && ((var_1_18 || (var_1_13 < var_1_15)) ? (((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) ? (var_1_29 == ((signed char) (var_1_5 - 10))) : (var_1_29 == ((signed char) var_1_5))) : (var_1_29 == ((signed char) var_1_5))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=0, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=0, var_1_21=127, var_1_22=2147483420, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=2147483647, var_1_27=0, var_1_29=0, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=17/2, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=0, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=0, var_1_21=127, var_1_22=2147483420, var_1_23=-2, var_1_24=2147483647, var_1_25=2147483647, var_1_26=2147483647, var_1_27=0, var_1_29=0, var_1_2=1, var_1_3=126, var_1_4=127, var_1_5=0, var_1_7=17/2, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 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 [2023-11-12 00:10:48,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX --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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:51,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:51,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:10:51,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:51,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:51,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:51,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:51,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:51,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:51,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:51,622 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:51,622 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:51,623 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:51,624 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:51,624 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:51,625 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:51,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:51,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:51,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:51,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:51,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:51,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:51,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:51,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:51,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:10:51,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:10:51,638 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:10:51,639 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:51,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:51,640 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:51,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:51,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:10:51,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:51,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:51,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:51,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:51,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:51,644 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:10:51,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:51,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:51,645 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:51,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:51,645 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_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-12 00:10:52,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:52,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:52,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:52,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:52,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:52,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:10:55,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:55,713 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:55,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:10:55,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/c67de886c/4897133956584b1faff35de0a6ac7b65/FLAGe8b9eaeab [2023-11-12 00:10:55,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/data/c67de886c/4897133956584b1faff35de0a6ac7b65 [2023-11-12 00:10:55,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:55,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:55,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:55,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:55,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:55,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eee6fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55, skipping insertion in model container [2023-11-12 00:10:55,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:55,959 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_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-12 00:10:56,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:56,099 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:56,111 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_1f1d7002-1348-46cd-8811-76e79f6d400e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-12 00:10:56,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:56,193 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:56,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56 WrapperNode [2023-11-12 00:10:56,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:56,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:56,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:56,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:56,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,286 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-12 00:10:56,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:56,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:56,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:56,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:56,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:56,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:56,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:56,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:56,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (1/1) ... [2023-11-12 00:10:56,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:56,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:56,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:56,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:56,635 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:56,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:18,407 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:18,423 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:18,426 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:18,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:18 BoogieIcfgContainer [2023-11-12 00:11:18,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:18,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:18,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:18,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:18,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:55" (1/3) ... [2023-11-12 00:11:18,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ef43fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:18, skipping insertion in model container [2023-11-12 00:11:18,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:56" (2/3) ... [2023-11-12 00:11:18,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ef43fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:18, skipping insertion in model container [2023-11-12 00:11:18,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:18" (3/3) ... [2023-11-12 00:11:18,445 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-12 00:11:18,466 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:18,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:18,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:18,545 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;@47e88013, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:18,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:11:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:11:18,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:18,583 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:18,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:18,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2079175466, now seen corresponding path program 1 times [2023-11-12 00:11:18,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:18,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67211159] [2023-11-12 00:11:18,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:18,617 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 [2023-11-12 00:11:18,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:18,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:18,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:19,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:11:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-12 00:11:20,001 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:20,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:20,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67211159] [2023-11-12 00:11:20,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67211159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:20,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:20,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:11:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832829734] [2023-11-12 00:11:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:20,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:11:20,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:11:20,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:20,053 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:11:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:20,091 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2023-11-12 00:11:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:11:20,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2023-11-12 00:11:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:20,102 INFO L225 Difference]: With dead ends: 141 [2023-11-12 00:11:20,102 INFO L226 Difference]: Without dead ends: 70 [2023-11-12 00:11:20,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:20,110 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 [2023-11-12 00:11:20,112 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] [2023-11-12 00:11:20,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-12 00:11:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-12 00:11:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 00:11:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-12 00:11:20,166 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 135 [2023-11-12 00:11:20,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:20,167 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-12 00:11:20,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 00:11:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-12 00:11:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:11:20,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:20,172 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:20,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 00:11:20,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:20,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:20,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1935044122, now seen corresponding path program 1 times [2023-11-12 00:11:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:20,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172369257] [2023-11-12 00:11:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:20,381 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 [2023-11-12 00:11:20,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:20,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:20,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1d7002-1348-46cd-8811-76e79f6d400e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:21,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:11:21,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-12 00:11:38,208 INFO L327 TraceCheckSpWp]: Computing backward predicates...