./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire --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 919b64ad06374025a27f1e638c1fbab266347de62a505876fcba854b54111d09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:05,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:05,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:05,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:05,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:05,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:05,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:05,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:05,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:05,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:05,659 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:05,660 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:05,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:05,661 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:05,662 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:05,662 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:05,663 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:05,663 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:05,664 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:05,665 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:05,665 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:05,666 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:05,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:05,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:05,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:05,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:05,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:05,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:05,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:05,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:05,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:05,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:05,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:05,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:05,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:05,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:05,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:05,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:05,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:05,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:05,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:05,689 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:05,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:05,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:05,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:05,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:05,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:05,690 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 919b64ad06374025a27f1e638c1fbab266347de62a505876fcba854b54111d09 [2023-11-23 21:23:05,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:06,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:06,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:06,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:06,026 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:06,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:09,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:09,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:09,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:09,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/064e86752/a2c58b2895ca44cab96cd70ed56f6e0c/FLAGc48d5f9a5 [2023-11-23 21:23:09,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/064e86752/a2c58b2895ca44cab96cd70ed56f6e0c [2023-11-23 21:23:09,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:09,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:09,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:09,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:09,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:09,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:09" (1/1) ... [2023-11-23 21:23:09,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da7c061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:09, skipping insertion in model container [2023-11-23 21:23:09,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:09" (1/1) ... [2023-11-23 21:23:09,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:09,922 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i[914,927] [2023-11-23 21:23:10,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:10,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:10,039 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i[914,927] [2023-11-23 21:23:10,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:10,140 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:10,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10 WrapperNode [2023-11-23 21:23:10,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:10,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:10,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:10,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:10,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,236 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2023-11-23 21:23:10,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:10,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:10,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:10,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:10,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:10,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:10,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:10,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:10,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (1/1) ... [2023-11-23 21:23:10,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:10,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:10,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:10,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:10,514 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:10,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:11,043 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:11,421 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:11,422 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:11,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:11 BoogieIcfgContainer [2023-11-23 21:23:11,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:11,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:11,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:11,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:11,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:09" (1/3) ... [2023-11-23 21:23:11,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3688a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:11, skipping insertion in model container [2023-11-23 21:23:11,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:10" (2/3) ... [2023-11-23 21:23:11,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3688a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:11, skipping insertion in model container [2023-11-23 21:23:11,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:11" (3/3) ... [2023-11-23 21:23:11,436 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:11,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:11,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:11,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:11,531 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;@658675cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:11,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:23:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 21:23:11,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:11,556 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:11,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:11,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1118393641, now seen corresponding path program 1 times [2023-11-23 21:23:11,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:11,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278721159] [2023-11-23 21:23:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:11,826 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:23:11,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526658574] [2023-11-23 21:23:11,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:11,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:11,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:11,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:12,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:12,598 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:12,601 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:12,602 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:12,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:12,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:23:12,821 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:23:12,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:12,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:12 BoogieIcfgContainer [2023-11-23 21:23:12,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:12,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:12,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:12,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:12,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:11" (3/4) ... [2023-11-23 21:23:12,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:12,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:12,979 INFO L158 Benchmark]: Toolchain (without parser) took 3322.62ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 134.3MB in the beginning and 149.7MB in the end (delta: -15.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-23 21:23:12,979 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:12,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.30ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 120.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:23:12,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.30ms. Allocated memory is still 165.7MB. Free memory was 120.4MB in the beginning and 117.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:12,982 INFO L158 Benchmark]: Boogie Preprocessor took 62.96ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:12,982 INFO L158 Benchmark]: RCFGBuilder took 1123.22ms. Allocated memory is still 165.7MB. Free memory was 115.4MB in the beginning and 92.9MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 21:23:12,983 INFO L158 Benchmark]: TraceAbstraction took 1545.94ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 149.7MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:12,983 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 199.2MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:12,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.30ms. Allocated memory is still 165.7MB. Free memory was 134.3MB in the beginning and 120.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.30ms. Allocated memory is still 165.7MB. Free memory was 120.4MB in the beginning and 117.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.96ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1123.22ms. Allocated memory is still 165.7MB. Free memory was 115.4MB in the beginning and 92.9MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1545.94ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 92.1MB in the beginning and 149.7MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 199.2MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 163, overapproximation of someUnaryDOUBLEoperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] double var_1_19 = 0.0; [L36] unsigned short int var_1_20 = 10; [L37] double var_1_21 = 31.2; [L38] signed short int var_1_22 = 1000; [L39] signed long int var_1_23 = 50; [L40] signed short int var_1_24 = -32; [L41] unsigned char var_1_25 = 8; [L42] double var_1_26 = 1.25; [L43] unsigned char var_1_27 = 32; [L44] signed short int var_1_28 = -4; [L45] unsigned char var_1_29 = 0; [L46] signed long int last_1_var_1_1 = 0; [L47] signed long int last_1_var_1_5 = 2; [L48] signed short int last_1_var_1_6 = -10; [L49] unsigned long int last_1_var_1_7 = 1; [L50] float last_1_var_1_14 = 5.4; [L51] signed long int last_1_var_1_17 = 64; [L167] isInitial = 1 [L168] FCALL initially() [L169] COND TRUE 1 [L170] CALL updateLastVariables() [L155] last_1_var_1_1 = var_1_1 [L156] last_1_var_1_5 = var_1_5 [L157] last_1_var_1_6 = var_1_6 [L158] last_1_var_1_7 = var_1_7 [L159] last_1_var_1_14 = var_1_14 [L160] last_1_var_1_17 = var_1_17 [L170] RET updateLastVariables() [L171] CALL updateVariables() [L118] var_1_9 = __VERIFIER_nondet_ulong() [L119] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L120] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L121] var_1_10 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L123] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L124] var_1_12 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L126] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L127] var_1_13 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L129] var_1_15 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L131] var_1_16 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L133] var_1_20 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L135] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L136] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=156/5, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L137] var_1_21 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=50, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L139] var_1_23 = __VERIFIER_nondet_long() [L140] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L141] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=-32, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L142] var_1_24 = __VERIFIER_nondet_short() [L143] CALL assume_abort_if_not(var_1_24 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_24 >= -32767) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L144] CALL assume_abort_if_not(var_1_24 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_24 <= 32766) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_26=5/4, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L145] var_1_26 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=32, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L147] var_1_27 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L149] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_29=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L150] var_1_29 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L152] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_29=1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=1, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=-4, var_1_29=1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967285] [L171] RET updateVariables() [L172] CALL step() [L55] COND TRUE (32 / var_1_20) > -500 [L56] var_1_19 = ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) [L58] COND FALSE !((~ var_1_20) >= var_1_23) [L65] COND TRUE var_1_21 <= ((((var_1_19) > (var_1_26)) ? (var_1_19) : (var_1_26))) [L66] var_1_25 = (var_1_27 + 1) [L68] COND TRUE (var_1_23 / var_1_20) > var_1_25 [L69] COND TRUE \read(var_1_29) [L70] var_1_28 = ((((var_1_24) < (((((-500) < 0 ) ? -(-500) : (-500))))) ? (var_1_24) : (((((-500) < 0 ) ? -(-500) : (-500)))))) [L75] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L78] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) [L80] COND FALSE !(((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) [L83] var_1_17 = last_1_var_1_6 [L85] signed long int stepLocal_1 = - last_1_var_1_1; [L86] COND FALSE !(last_1_var_1_17 < stepLocal_1) [L89] signed long int stepLocal_3 = var_1_1; [L90] signed long int stepLocal_2 = var_1_17; [L91] COND FALSE !(var_1_17 > stepLocal_2) [L96] unsigned long int stepLocal_5 = var_1_9; [L97] COND TRUE (var_1_12 * last_1_var_1_14) > var_1_13 [L98] COND FALSE !(stepLocal_5 < var_1_7) [L101] var_1_14 = var_1_15 [L106] signed long int stepLocal_0 = var_1_17; [L107] COND FALSE !(var_1_6 < stepLocal_0) [L110] unsigned long int stepLocal_4 = var_1_9 - var_1_6; [L111] COND FALSE !((- 8u) >= stepLocal_4) [L114] var_1_8 = (((var_1_14 / var_1_12) >= var_1_14) || var_1_10) [L172] RET step() [L173] CALL, EXPR property() [L163-L164] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L173] RET, EXPR property() [L173] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=-10, var_1_19=3, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=500, var_1_29=1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967285] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=-10, var_1_19=3, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1000, var_1_23=9, var_1_24=32766, var_1_25=8, var_1_27=7, var_1_28=500, var_1_29=1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=1, var_1_9=4294967285] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 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 [2023-11-23 21:23:13,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire --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 919b64ad06374025a27f1e638c1fbab266347de62a505876fcba854b54111d09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:15,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:15,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:23:15,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:15,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:15,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:15,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:15,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:15,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:15,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:15,958 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:15,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:15,959 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:15,961 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:15,962 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:15,962 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:15,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:15,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:15,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:15,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:15,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:15,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:15,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:15,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:15,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:15,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:15,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:15,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:15,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:15,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:15,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:15,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:15,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:15,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:15,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:15,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:15,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:15,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:15,975 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:15,976 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:15,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:15,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:15,977 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:15,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:15,978 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 919b64ad06374025a27f1e638c1fbab266347de62a505876fcba854b54111d09 [2023-11-23 21:23:16,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:16,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:16,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:16,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:16,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:16,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:19,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:19,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:19,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:19,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/1d88e304b/a0bfaafc404443d49a6c07df4359e382/FLAG523b91854 [2023-11-23 21:23:19,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/data/1d88e304b/a0bfaafc404443d49a6c07df4359e382 [2023-11-23 21:23:19,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:19,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:20,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:20,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:20,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:20,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:20,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1bad5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20, skipping insertion in model container [2023-11-23 21:23:20,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:19" (1/1) ... [2023-11-23 21:23:20,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:20,287 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i[914,927] [2023-11-23 21:23:20,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:20,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:20,443 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_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-0.i[914,927] [2023-11-23 21:23:20,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:20,525 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:20,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20 WrapperNode [2023-11-23 21:23:20,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:20,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:20,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:20,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:20,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,628 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-11-23 21:23:20,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:20,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:20,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:20,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:20,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:20,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:20,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:20,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:20,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (1/1) ... [2023-11-23 21:23:20,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:20,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:20,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:20,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:20,974 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:20,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:35,379 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:35,457 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:35,464 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:35,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:35 BoogieIcfgContainer [2023-11-23 21:23:35,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:35,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:35,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:35,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:35,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:19" (1/3) ... [2023-11-23 21:23:35,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dea979f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:35, skipping insertion in model container [2023-11-23 21:23:35,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:20" (2/3) ... [2023-11-23 21:23:35,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dea979f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:35, skipping insertion in model container [2023-11-23 21:23:35,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:35" (3/3) ... [2023-11-23 21:23:35,481 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-0.i [2023-11-23 21:23:35,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:35,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:35,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:35,574 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;@1708e45c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:35,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:23:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:23:35,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:35,610 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:35,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:35,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1063738640, now seen corresponding path program 1 times [2023-11-23 21:23:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:35,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680106969] [2023-11-23 21:23:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:35,643 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 [2023-11-23 21:23:35,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:35,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:38,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:38,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-23 21:23:38,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:38,247 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:38,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680106969] [2023-11-23 21:23:38,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680106969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:38,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:38,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:38,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863253740] [2023-11-23 21:23:38,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:38,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:38,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:38,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:38,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:38,298 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 44 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:23:41,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:41,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:41,469 INFO L93 Difference]: Finished difference Result 133 states and 234 transitions. [2023-11-23 21:23:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:41,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2023-11-23 21:23:41,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:41,756 INFO L225 Difference]: With dead ends: 133 [2023-11-23 21:23:41,756 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 21:23:41,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:41,765 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:41,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-23 21:23:41,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 21:23:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 21:23:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-23 21:23:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 101 transitions. [2023-11-23 21:23:41,825 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 101 transitions. Word has length 144 [2023-11-23 21:23:41,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:41,826 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 101 transitions. [2023-11-23 21:23:41,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-23 21:23:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2023-11-23 21:23:41,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-23 21:23:41,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:41,833 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:41,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:42,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:42,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:42,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash -939470980, now seen corresponding path program 1 times [2023-11-23 21:23:42,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:42,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885935350] [2023-11-23 21:23:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:42,051 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 [2023-11-23 21:23:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:42,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:23:42,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eca9d7cb-27ea-4fa3-b81a-4ea1fa229ce3/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:23:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:44,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:23:44,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 21:23:57,029 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:57,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:57,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885935350] [2023-11-23 21:23:57,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885935350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:57,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:57,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:57,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63279625] [2023-11-23 21:23:57,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:57,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:57,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:57,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:57,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:57,036 INFO L87 Difference]: Start difference. First operand 66 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:24:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:02,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:04,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []