./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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_5f8b0583-c4d1-4256-959b-067795d7a084/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 9996911808991f637c9e1e69b5405c84bd817e5c3fb12e56d99ee84389696414 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:26,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:26,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:26,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:26,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:26,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:26,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:26,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:26,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:26,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:26,608 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:26,609 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:26,610 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:26,612 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:26,613 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:26,614 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:26,614 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:26,615 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:26,615 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:26,616 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:26,618 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:26,619 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:26,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:26,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:26,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:26,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:26,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:26,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:26,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:26,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:26,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:26,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:26,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:26,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:26,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:26,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:26,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:26,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:26,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:26,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:26,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:26,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:26,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:26,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:26,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:26,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:26,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:26,630 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_5f8b0583-c4d1-4256-959b-067795d7a084/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9996911808991f637c9e1e69b5405c84bd817e5c3fb12e56d99ee84389696414 [2023-11-23 21:14:26,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:27,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:27,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:27,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:27,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:27,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:30,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:30,726 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:30,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:30,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/1ebbf4939/d92c553b284f49c38e65c3b4c5707b21/FLAG9a22ef165 [2023-11-23 21:14:30,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/1ebbf4939/d92c553b284f49c38e65c3b4c5707b21 [2023-11-23 21:14:30,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:30,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:30,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:30,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:30,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:30,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:30" (1/1) ... [2023-11-23 21:14:30,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19993fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:30, skipping insertion in model container [2023-11-23 21:14:30,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:30" (1/1) ... [2023-11-23 21:14:30,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:31,031 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_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i[919,932] [2023-11-23 21:14:31,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:31,153 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:31,165 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_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i[919,932] [2023-11-23 21:14:31,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:31,235 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:31,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31 WrapperNode [2023-11-23 21:14:31,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:31,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:31,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:31,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:31,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,334 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-11-23 21:14:31,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:31,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:31,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:31,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:31,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:31,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:31,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:31,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:31,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (1/1) ... [2023-11-23 21:14:31,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:31,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:31,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:31,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:31,712 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:31,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:32,372 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:32,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:32,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:32,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:32 BoogieIcfgContainer [2023-11-23 21:14:32,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:32,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:32,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:32,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:32,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:30" (1/3) ... [2023-11-23 21:14:32,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b7faf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:32, skipping insertion in model container [2023-11-23 21:14:32,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:31" (2/3) ... [2023-11-23 21:14:32,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b7faf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:32, skipping insertion in model container [2023-11-23 21:14:32,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:32" (3/3) ... [2023-11-23 21:14:32,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:32,861 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:32,861 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:32,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:32,926 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;@78fe73dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:32,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 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 21:14:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:14:32,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:32,948 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, 1, 1] [2023-11-23 21:14:32,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:32,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:32,957 INFO L85 PathProgramCache]: Analyzing trace with hash -717813828, now seen corresponding path program 1 times [2023-11-23 21:14:32,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839355811] [2023-11-23 21:14:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:32,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:33,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:14:33,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369641621] [2023-11-23 21:14:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:33,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:33,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:33,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:33,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:14:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:33,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:34,023 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:34,072 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:34,073 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:34,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:34,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:14:34,299 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:34,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:34,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:34 BoogieIcfgContainer [2023-11-23 21:14:34,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:34,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:34,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:34,462 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:34,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:32" (3/4) ... [2023-11-23 21:14:34,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:34,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:34,467 INFO L158 Benchmark]: Toolchain (without parser) took 3705.63ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 102.4MB in the beginning and 129.4MB in the end (delta: -27.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,468 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:34,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.96ms. Allocated memory is still 138.4MB. Free memory was 102.4MB in the beginning and 86.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.27ms. Allocated memory is still 138.4MB. Free memory was 86.5MB in the beginning and 81.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,470 INFO L158 Benchmark]: Boogie Preprocessor took 93.68ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 78.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,471 INFO L158 Benchmark]: RCFGBuilder took 1393.74ms. Allocated memory is still 138.4MB. Free memory was 78.1MB in the beginning and 96.5MB in the end (delta: -18.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,471 INFO L158 Benchmark]: TraceAbstraction took 1635.72ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 95.6MB in the beginning and 129.4MB in the end (delta: -33.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:34,472 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:34,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.96ms. Allocated memory is still 138.4MB. Free memory was 102.4MB in the beginning and 86.5MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.27ms. Allocated memory is still 138.4MB. Free memory was 86.5MB in the beginning and 81.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.68ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 78.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1393.74ms. Allocated memory is still 138.4MB. Free memory was 78.1MB in the beginning and 96.5MB in the end (delta: -18.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1635.72ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 95.6MB in the beginning and 129.4MB in the end (delta: -33.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 174.1MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of shiftLeft at line 85, overapproximation of bitwiseOr at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] float var_1_2 = 9.5; [L24] float var_1_4 = 127.6; [L25] double var_1_5 = 100000000000000.5; [L26] double var_1_6 = 100000000000000.7; [L27] double var_1_7 = 256.75; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 1; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] signed char var_1_12 = 0; [L33] signed char var_1_13 = 2; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_16 = 10; [L36] unsigned char var_1_18 = 4; [L37] unsigned char var_1_19 = 8; [L38] unsigned char var_1_20 = 8; [L39] unsigned short int var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned short int var_1_24 = 34649; [L42] unsigned long int var_1_25 = 32; [L43] signed short int var_1_33 = -8; [L44] unsigned char var_1_34 = 64; [L45] unsigned char var_1_36 = 0; [L46] unsigned short int var_1_43 = 8; [L47] signed char var_1_44 = 64; [L48] unsigned long int var_1_48 = 10; [L49] unsigned long int var_1_49 = 4111364598; [L50] double var_1_50 = 31.4; [L51] double var_1_51 = 128.125; [L52] unsigned short int var_1_52 = 256; [L53] unsigned char last_1_var_1_8 = 0; [L54] unsigned short int last_1_var_1_21 = 128; [L55] unsigned char last_1_var_1_22 = 0; [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L192] last_1_var_1_8 = var_1_8 [L193] last_1_var_1_21 = var_1_21 [L194] last_1_var_1_22 = var_1_22 [L204] RET updateLastVariables() [L205] CALL updateVariables() [L145] var_1_2 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_4=638/5, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_4=638/5, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L147] var_1_4 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L149] var_1_5 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L151] var_1_6 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L153] var_1_7 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L155] var_1_9 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L158] var_1_10 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L161] var_1_11 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L164] var_1_13 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L167] var_1_16 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L170] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L171] var_1_18 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L173] CALL assume_abort_if_not(var_1_18 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_18 <= 64) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L174] var_1_19 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L176] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L177] var_1_20 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L179] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L180] var_1_24 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_24 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_24 >= 32767) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L182] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=4111364598, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L183] var_1_49 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_49 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_49 >= 2147483647) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L185] CALL assume_abort_if_not(var_1_49 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_49 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_50=157/5, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L186] var_1_50 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854776000e+12F && var_1_50 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_50 >= 0.0F && var_1_50 <= -1.0e-20F) || (var_1_50 <= 9223372.036854776000e+12F && var_1_50 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_51=1025/8, var_1_52=256, var_1_8=0, var_1_9=1] [L188] var_1_51 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854776000e+12F && var_1_51 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_52=256, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_51 >= 0.0F && var_1_51 <= -1.0e-20F) || (var_1_51 <= 9223372.036854776000e+12F && var_1_51 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_25=32, var_1_33=-8, var_1_34=64, var_1_36=0, var_1_43=8, var_1_44=64, var_1_48=10, var_1_49=2147483647, var_1_52=256, var_1_8=0, var_1_9=1] [L205] RET updateVariables() [L206] CALL step() [L59] COND FALSE !(64.5f <= var_1_2) [L70] COND TRUE var_1_1 > ((var_1_1 * var_1_5) + 5.3) [L71] COND FALSE !((var_1_7 + var_1_1) < var_1_6) [L74] var_1_8 = var_1_10 [L79] signed long int stepLocal_0 = (last_1_var_1_22 / var_1_16) * last_1_var_1_21; [L80] COND FALSE !(last_1_var_1_21 < stepLocal_0) [L83] var_1_14 = var_1_18 [L85] EXPR var_1_18 << var_1_14 [L85] signed long int stepLocal_3 = var_1_18 << var_1_14; [L86] EXPR var_1_14 | var_1_18 [L86] signed long int stepLocal_2 = (var_1_14 | var_1_18) / (var_1_24 - 1); [L87] COND TRUE var_1_19 == stepLocal_3 [L88] COND TRUE last_1_var_1_22 >= stepLocal_2 [L89] var_1_22 = 2 [L96] COND TRUE ((- var_1_1) / 24.75) < var_1_6 [L97] COND FALSE !(var_1_7 >= var_1_1) [L100] var_1_12 = var_1_13 [L103] unsigned char stepLocal_1 = var_1_10; [L104] COND FALSE !(var_1_8 && stepLocal_1) [L107] COND FALSE !(var_1_8 && var_1_10) [L114] var_1_25 = var_1_14 [L116] var_1_33 = var_1_16 [L117] var_1_34 = var_1_19 [L118] COND TRUE (((((var_1_4) < (var_1_6)) ? (var_1_4) : (var_1_6))) / 8.6f) <= ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L119] COND FALSE !(var_1_11 || (var_1_24 <= var_1_20)) [L123] COND TRUE var_1_24 != var_1_14 [L124] var_1_43 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) [L128] COND TRUE var_1_7 < 2.4f [L129] COND TRUE var_1_24 >= (var_1_16 >> 31) [L130] var_1_44 = ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) < (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))) [L135] COND TRUE var_1_22 >= var_1_19 [L136] var_1_48 = (var_1_49 - var_1_16) [L142] var_1_52 = var_1_20 [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) [L197-L198] return ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=2, var_1_24=32767, var_1_25=0, var_1_33=1, var_1_34=0, var_1_36=0, var_1_43=127, var_1_44=0, var_1_48=2147483646, var_1_49=2147483647, var_1_52=127, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_16=1, var_1_18=0, var_1_19=0, var_1_1=79/5, var_1_20=127, var_1_21=128, var_1_22=2, var_1_24=32767, var_1_25=0, var_1_33=1, var_1_34=0, var_1_36=0, var_1_43=127, var_1_44=0, var_1_48=2147483646, var_1_49=2147483647, var_1_52=127, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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=54occurred 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, 105 NumberOfCodeBlocks, 105 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 21:14:34,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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_5f8b0583-c4d1-4256-959b-067795d7a084/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 9996911808991f637c9e1e69b5405c84bd817e5c3fb12e56d99ee84389696414 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:37,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:37,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:37,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:37,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:37,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:37,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:37,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:37,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:37,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:37,435 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:37,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:37,436 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:37,439 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:37,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:37,439 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:37,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:37,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:37,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:37,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:37,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:37,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:37,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:37,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:37,445 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:37,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:37,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:37,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:37,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:37,447 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:37,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:37,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:37,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:37,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:37,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:37,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:37,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:37,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:37,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:37,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:37,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:37,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:37,453 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:37,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:37,454 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_5f8b0583-c4d1-4256-959b-067795d7a084/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9996911808991f637c9e1e69b5405c84bd817e5c3fb12e56d99ee84389696414 [2023-11-23 21:14:37,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:37,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:37,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:37,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:37,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:37,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:41,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:41,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:41,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:41,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/e466944ff/ce183de3573e4b13b562c6574338cb99/FLAG020ad9bc2 [2023-11-23 21:14:41,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/data/e466944ff/ce183de3573e4b13b562c6574338cb99 [2023-11-23 21:14:41,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:41,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:41,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:41,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:41,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:41,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:41,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c01219c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41, skipping insertion in model container [2023-11-23 21:14:41,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:41,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:41,679 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_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i[919,932] [2023-11-23 21:14:41,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:41,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:41,863 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_5f8b0583-c4d1-4256-959b-067795d7a084/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i[919,932] [2023-11-23 21:14:41,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:41,970 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:41,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41 WrapperNode [2023-11-23 21:14:41,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:41,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:41,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:41,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:41,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:41,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,042 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-23 21:14:42,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:42,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:42,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:42,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:42,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:42,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:42,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:42,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:42,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (1/1) ... [2023-11-23 21:14:42,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:42,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:42,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:42,329 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:42,332 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:54,862 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:54,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:54,936 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:54,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54 BoogieIcfgContainer [2023-11-23 21:14:54,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:54,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:54,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:54,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:54,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:41" (1/3) ... [2023-11-23 21:14:54,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9d667c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:41" (2/3) ... [2023-11-23 21:14:54,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9d667c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54" (3/3) ... [2023-11-23 21:14:54,948 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-88.i [2023-11-23 21:14:54,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:54,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:55,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:55,025 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;@187abbb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:55,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 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 21:14:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:14:55,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:55,054 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, 1, 1] [2023-11-23 21:14:55,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:55,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:55,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1243673713, now seen corresponding path program 1 times [2023-11-23 21:14:55,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:55,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144902584] [2023-11-23 21:14:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:55,082 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 21:14:55,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:55,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:14:55,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:14:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:57,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:57,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-23 21:14:57,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:57,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:57,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144902584] [2023-11-23 21:14:57,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144902584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:57,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:57,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:57,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051969031] [2023-11-23 21:14:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:57,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:57,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:57,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:57,420 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 21:14:59,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:59,703 INFO L93 Difference]: Finished difference Result 161 states and 290 transitions. [2023-11-23 21:14:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:59,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 177 [2023-11-23 21:14:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:59,801 INFO L225 Difference]: With dead ends: 161 [2023-11-23 21:14:59,802 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:14:59,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 21:14:59,812 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:59,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:14:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:14:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:14:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 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 21:14:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-23 21:14:59,889 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 177 [2023-11-23 21:14:59,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:59,890 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-23 21:14:59,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 21:14:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-23 21:14:59,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:14:59,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:59,898 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, 1, 1] [2023-11-23 21:14:59,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:15:00,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:15:00,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:00,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1333295111, now seen corresponding path program 1 times [2023-11-23 21:15:00,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:00,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698484051] [2023-11-23 21:15:00,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:00,105 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 21:15:00,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:00,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:15:00,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:15:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:02,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:15:02,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 511 proven. 15 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-23 21:15:03,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:03,918 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:03,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698484051] [2023-11-23 21:15:03,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698484051] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:03,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1484026729] [2023-11-23 21:15:03,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:03,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:03,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:15:03,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:15:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:15:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:08,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:15:08,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:09,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 511 proven. 15 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-23 21:15:09,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1484026729] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172198336] [2023-11-23 21:15:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:09,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:15:09,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:09,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:15:09,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:15:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:10,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:15:10,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 511 proven. 15 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-11-23 21:15:11,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:15:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172198336] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:15:11,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:15:11,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-11-23 21:15:11,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069994311] [2023-11-23 21:15:11,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:15:11,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:15:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:15:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:11,744 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:15:16,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:18,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:20,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:20,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:20,114 INFO L93 Difference]: Finished difference Result 165 states and 256 transitions. [2023-11-23 21:15:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:15:20,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-11-23 21:15:20,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:20,198 INFO L225 Difference]: With dead ends: 165 [2023-11-23 21:15:20,199 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:15:20,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:15:20,202 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 74 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:20,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 200 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2023-11-23 21:15:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:15:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2023-11-23 21:15:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:15:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 127 transitions. [2023-11-23 21:15:20,224 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 127 transitions. Word has length 177 [2023-11-23 21:15:20,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:20,230 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 127 transitions. [2023-11-23 21:15:20,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:15:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2023-11-23 21:15:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:15:20,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:20,245 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, 1, 1] [2023-11-23 21:15:20,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:20,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:20,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:20,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:15:20,874 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:20,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:20,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1390553413, now seen corresponding path program 1 times [2023-11-23 21:15:20,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105217882] [2023-11-23 21:15:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:20,876 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 21:15:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:20,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 21:15:20,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f8b0583-c4d1-4256-959b-067795d7a084/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:15:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:23,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:15:23,247 INFO L285 TraceCheckSpWp]: Computing forward predicates...