./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 e5d7e0b0c5d9476a8ff19ede4042aea6220e122ea32375ea4848a6627ab63cfc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:48,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:48,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:48,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:48,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:48,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:48,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:48,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:48,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:48,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:48,616 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:48,617 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:48,617 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:48,619 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:48,620 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:48,620 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:48,620 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:48,621 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:48,621 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:48,622 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:48,622 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:48,624 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:48,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:48,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:48,626 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:48,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:48,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:48,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:48,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:48,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:48,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:48,630 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:48,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:48,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:48,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:48,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:48,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:48,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:48,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:48,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:48,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:48,644 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:48,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:48,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:48,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:48,645 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:48,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:48,646 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d7e0b0c5d9476a8ff19ede4042aea6220e122ea32375ea4848a6627ab63cfc [2023-11-23 21:20:49,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:49,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:49,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:49,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:49,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:49,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:20:52,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:52,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:52,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:20:52,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/eb2bcbde0/fad411c463fc4042acff5d1b568be1a2/FLAGc4c10ce61 [2023-11-23 21:20:52,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/eb2bcbde0/fad411c463fc4042acff5d1b568be1a2 [2023-11-23 21:20:52,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:52,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:52,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:52,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:52,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:52,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:52,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138a6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52, skipping insertion in model container [2023-11-23 21:20:52,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:52,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:52,741 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i[919,932] [2023-11-23 21:20:52,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:52,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:52,877 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i[919,932] [2023-11-23 21:20:52,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:52,970 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:52,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52 WrapperNode [2023-11-23 21:20:52,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:52,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:52,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:52,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:52,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:52,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,051 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-23 21:20:53,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:53,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:53,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:53,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:53,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:53,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:53,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:53,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:53,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (1/1) ... [2023-11-23 21:20:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:53,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:53,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:53,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:53,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:53,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:53,362 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:53,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:53,755 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:54,190 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:54,191 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:54,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54 BoogieIcfgContainer [2023-11-23 21:20:54,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:54,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:54,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:54,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:54,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:52" (1/3) ... [2023-11-23 21:20:54,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232809ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:54, skipping insertion in model container [2023-11-23 21:20:54,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:52" (2/3) ... [2023-11-23 21:20:54,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232809ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:54, skipping insertion in model container [2023-11-23 21:20:54,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54" (3/3) ... [2023-11-23 21:20:54,204 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:20:54,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:54,226 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:54,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:54,293 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;@1f43a915, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:54,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:54,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:20:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:20:54,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:54,311 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:20:54,312 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:54,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash -859449658, now seen corresponding path program 1 times [2023-11-23 21:20:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123929227] [2023-11-23 21:20:54,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:54,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:54,571 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:20:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539362370] [2023-11-23 21:20:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:54,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:54,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:54,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:54,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:20:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:55,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:00,921 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:00,924 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:00,925 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:00,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:21:01,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:01,140 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:01,144 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:01,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:01 BoogieIcfgContainer [2023-11-23 21:21:01,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:01,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:01,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:01,310 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:01,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54" (3/4) ... [2023-11-23 21:21:01,317 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:01,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:01,320 INFO L158 Benchmark]: Toolchain (without parser) took 8819.98ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.1MB in the beginning and 127.2MB in the end (delta: 874.7kB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,320 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:01,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.41ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 112.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.33ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 109.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,322 INFO L158 Benchmark]: Boogie Preprocessor took 61.80ms. Allocated memory is still 161.5MB. Free memory was 109.5MB in the beginning and 108.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,323 INFO L158 Benchmark]: RCFGBuilder took 1077.65ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 71.4MB in the end (delta: 36.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,323 INFO L158 Benchmark]: TraceAbstraction took 7113.56ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 70.2MB in the beginning and 128.3MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:01,324 INFO L158 Benchmark]: Witness Printer took 8.91ms. Allocated memory is still 195.0MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:21:01,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.41ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 112.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.33ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 109.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.80ms. Allocated memory is still 161.5MB. Free memory was 109.5MB in the beginning and 108.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.65ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 71.4MB in the end (delta: 36.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7113.56ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 70.2MB in the beginning and 128.3MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.91ms. Allocated memory is still 195.0MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of shiftRight at line 84, overapproximation of someUnaryFLOAToperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] float var_1_30 = 127.75; [L43] float var_1_34 = 9.5; [L44] float var_1_35 = 256.5; [L45] unsigned long int var_1_36 = 0; [L46] signed long int var_1_38 = 4; [L47] unsigned long int var_1_40 = 128; [L48] unsigned char var_1_42 = 128; [L49] unsigned short int var_1_45 = 256; [L50] signed long int var_1_46 = 5; [L51] unsigned char var_1_47 = 1; [L52] signed short int var_1_49 = 16; [L53] signed long int last_1_var_1_1 = -2; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L174] last_1_var_1_1 = var_1_1 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L129] var_1_11 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L131] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L132] var_1_12 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L134] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L135] var_1_13 = __VERIFIER_nondet_long() [L136] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L137] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L138] var_1_14 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L140] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L141] var_1_15 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L143] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L144] var_1_16 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L146] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L147] var_1_17 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L149] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L150] var_1_20 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L152] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L153] var_1_21 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L155] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L156] var_1_22 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L158] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L159] var_1_24 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L161] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L162] var_1_26 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L164] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=10, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L165] var_1_27 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L167] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=19/2, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L168] var_1_34 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_34 >= -922337.2036854765600e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854765600e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_35=513/2, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L170] var_1_35 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_35 >= -922337.2036854765600e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854765600e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_36=0, var_1_38=4, var_1_40=128, var_1_42=128, var_1_45=256, var_1_46=5, var_1_47=1, var_1_49=16] [L185] RET updateVariables() [L186] CALL step() [L57] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L58] signed long int stepLocal_1 = (var_1_26 - var_1_27) + var_1_19; [L59] COND FALSE !(stepLocal_1 > var_1_22) [L62] var_1_25 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))) [L64] COND FALSE !((var_1_22 + var_1_22) < var_1_19) [L67] COND TRUE var_1_27 <= 100u [L68] COND FALSE !((var_1_27 - ((((-2) < 0 ) ? -(-2) : (-2)))) == (var_1_10 + -4)) [L74] COND FALSE !(var_1_35 > var_1_34) [L77] COND TRUE var_1_35 <= var_1_30 [L78] var_1_46 = (var_1_18 - var_1_1) [L83] signed long int stepLocal_0 = var_1_11 - (var_1_12 - var_1_13); [L84] EXPR var_1_25 >> var_1_19 [L84] COND FALSE !((var_1_25 >> var_1_19) < stepLocal_0) [L87] var_1_10 = (var_1_17 + var_1_16) [L89] COND TRUE var_1_34 > var_1_30 [L90] COND TRUE ((((32) > (var_1_16)) ? (32) : (var_1_16))) <= var_1_20 [L91] var_1_40 = ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) [L98] COND TRUE var_1_10 != var_1_25 [L99] var_1_18 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L101] COND TRUE ! ((64 * var_1_18) < var_1_18) [L102] var_1_23 = var_1_24 [L104] var_1_47 = var_1_24 [L105] COND TRUE -8 <= var_1_10 [L106] COND FALSE !(var_1_10 == last_1_var_1_1) [L116] COND TRUE (var_1_1 * var_1_1) < var_1_18 [L117] COND TRUE var_1_1 < var_1_13 [L118] var_1_28 = 64u [L121] var_1_36 = var_1_13 [L122] COND TRUE var_1_34 < var_1_30 [L123] var_1_38 = (((((((var_1_17) > (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26))))) ? (var_1_17) : (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26)))))) < 0 ) ? -((((var_1_17) > (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26))))) ? (var_1_17) : (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26)))))) : ((((var_1_17) > (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26))))) ? (var_1_17) : (((((var_1_11) < (var_1_26)) ? (var_1_11) : (var_1_26)))))))) [L125] var_1_45 = ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) [L126] var_1_49 = var_1_26 [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L177] EXPR var_1_25 >> var_1_19 [L177] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L177-L178] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=61, var_1_19=-2, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=62, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=0, var_1_35=0, var_1_36=61, var_1_38=5, var_1_40=61, var_1_42=128, var_1_45=1, var_1_46=2, var_1_47=0, var_1_49=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=0, var_1_11=2147483647, var_1_12=2147483647, var_1_13=61, var_1_14=-63, var_1_15=62, var_1_16=62, var_1_17=-62, var_1_18=61, var_1_19=-2, var_1_1=-2, var_1_20=16382, var_1_21=16382, var_1_22=2, var_1_23=0, var_1_24=0, var_1_25=62, var_1_26=5, var_1_27=1, var_1_28=64, var_1_30=511/4, var_1_34=0, var_1_35=0, var_1_36=61, var_1_38=5, var_1_40=61, var_1_42=128, var_1_45=1, var_1_46=2, var_1_47=0, var_1_49=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 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 21:21:01,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 e5d7e0b0c5d9476a8ff19ede4042aea6220e122ea32375ea4848a6627ab63cfc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:04,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:04,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:04,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:04,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:04,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:04,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:04,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:04,194 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:04,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:04,199 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:04,200 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:04,200 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:04,202 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:04,202 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:04,203 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:04,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:04,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:04,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:04,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:04,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:04,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:04,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:04,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:04,208 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:04,208 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:04,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:04,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:04,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:04,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:04,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:04,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:04,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:04,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:04,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:04,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:04,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:04,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:04,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:04,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:04,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:04,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:04,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:04,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:04,216 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d7e0b0c5d9476a8ff19ede4042aea6220e122ea32375ea4848a6627ab63cfc [2023-11-23 21:21:04,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:04,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:04,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:04,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:04,660 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:04,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:21:07,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:08,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:08,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:21:08,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/ddf5c8923/c55c46a496034cc99f3e1d4eba6b96b5/FLAG1c70e280f [2023-11-23 21:21:08,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/data/ddf5c8923/c55c46a496034cc99f3e1d4eba6b96b5 [2023-11-23 21:21:08,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:08,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:08,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:08,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:08,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:08,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1195bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08, skipping insertion in model container [2023-11-23 21:21:08,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:08,287 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i[919,932] [2023-11-23 21:21:08,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:08,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:08,421 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_2ef0686f-49cb-4982-96ef-998c4fc6b63c/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i[919,932] [2023-11-23 21:21:08,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:08,483 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:08,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08 WrapperNode [2023-11-23 21:21:08,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:08,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:08,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:08,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:08,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,545 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 21:21:08,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:08,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:08,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:08,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:08,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:08,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:08,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:08,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:08,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (1/1) ... [2023-11-23 21:21:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:08,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:08,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:08,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:08,862 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:08,865 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:09,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:09,464 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:09,464 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:09,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:09 BoogieIcfgContainer [2023-11-23 21:21:09,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:09,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:09,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:09,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:09,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:08" (1/3) ... [2023-11-23 21:21:09,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ce0089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:09, skipping insertion in model container [2023-11-23 21:21:09,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:08" (2/3) ... [2023-11-23 21:21:09,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ce0089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:09, skipping insertion in model container [2023-11-23 21:21:09,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:09" (3/3) ... [2023-11-23 21:21:09,484 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-64.i [2023-11-23 21:21:09,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:09,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:09,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:09,570 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;@258a262c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:09,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:21:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:21:09,595 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:09,596 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:09,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:09,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1379624378, now seen corresponding path program 1 times [2023-11-23 21:21:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:09,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193047236] [2023-11-23 21:21:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:09,620 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 21:21:09,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:09,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 21:21:09,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 21:21:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:09,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:09,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-23 21:21:09,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:09,974 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:09,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193047236] [2023-11-23 21:21:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193047236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:09,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:09,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:09,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438379661] [2023-11-23 21:21:09,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:09,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:09,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:10,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:10,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:10,021 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.488888888888889) internal successors, (67), 46 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:21:10,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:10,124 INFO L93 Difference]: Finished difference Result 149 states and 272 transitions. [2023-11-23 21:21:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:10,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2023-11-23 21:21:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:10,141 INFO L225 Difference]: With dead ends: 149 [2023-11-23 21:21:10,142 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 21:21:10,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 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 21:21:10,153 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:10,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:21:10,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 21:21:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-23 21:21:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 44 states have internal predecessors, (62), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:21:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2023-11-23 21:21:10,209 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 175 [2023-11-23 21:21:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:10,210 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2023-11-23 21:21:10,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:21:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2023-11-23 21:21:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:21:10,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:10,216 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:21:10,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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)] Ended with exit code 0 [2023-11-23 21:21:10,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 21:21:10,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:10,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:10,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1015421694, now seen corresponding path program 1 times [2023-11-23 21:21:10,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:10,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745374432] [2023-11-23 21:21:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:10,427 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 21:21:10,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:10,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 21:21:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef0686f-49cb-4982-96ef-998c4fc6b63c/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 21:21:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:10,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 21:21:10,922 INFO L285 TraceCheckSpWp]: Computing forward predicates...