./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.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_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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_102f577f-290b-4098-97cd-084d214a6d19/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 05a9fba21ad9bde5a67b534568d27cec76ed7287b2e2d943dc08f36436cb719e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:25,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:25,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:32:25,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:25,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:25,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:25,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:25,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:25,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:25,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:25,977 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:25,978 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:25,979 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:25,979 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:25,980 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:25,981 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:25,982 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:25,982 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:25,983 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:25,984 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:25,984 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:25,985 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:25,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:25,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:25,987 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:25,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:25,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:25,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:25,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:25,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:25,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:25,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:25,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:25,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:25,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:25,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:25,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:25,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:25,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:25,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:25,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:25,996 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:25,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:25,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:25,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:25,998 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:25,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:25,999 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_102f577f-290b-4098-97cd-084d214a6d19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05a9fba21ad9bde5a67b534568d27cec76ed7287b2e2d943dc08f36436cb719e [2023-11-23 21:32:26,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:26,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:26,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:26,315 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:26,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:26,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:29,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:29,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:29,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:29,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/7b4188a58/7f15954acb174e4596863625ea668068/FLAG47a6f2f26 [2023-11-23 21:32:29,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/7b4188a58/7f15954acb174e4596863625ea668068 [2023-11-23 21:32:29,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:29,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:29,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:29,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:29,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:29,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:29" (1/1) ... [2023-11-23 21:32:29,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400a5bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:29, skipping insertion in model container [2023-11-23 21:32:29,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:29" (1/1) ... [2023-11-23 21:32:29,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:30,019 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_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i[917,930] [2023-11-23 21:32:30,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:30,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:30,129 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_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i[917,930] [2023-11-23 21:32:30,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:30,213 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:30,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30 WrapperNode [2023-11-23 21:32:30,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:30,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:30,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:30,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:30,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,285 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2023-11-23 21:32:30,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:30,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:30,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:30,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:30,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:30,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:30,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:30,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:30,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (1/1) ... [2023-11-23 21:32:30,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:30,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:30,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:30,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:30,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:30,576 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:30,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:31,017 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:31,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:31,284 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:31,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:31 BoogieIcfgContainer [2023-11-23 21:32:31,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:31,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:31,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:31,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:31,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:29" (1/3) ... [2023-11-23 21:32:31,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634be1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:31, skipping insertion in model container [2023-11-23 21:32:31,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:30" (2/3) ... [2023-11-23 21:32:31,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634be1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:31, skipping insertion in model container [2023-11-23 21:32:31,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:31" (3/3) ... [2023-11-23 21:32:31,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:31,314 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:31,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:31,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:31,370 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;@3019a123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:31,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:31,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:32:31,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:31,389 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:31,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:31,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:31,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1292795283, now seen corresponding path program 1 times [2023-11-23 21:32:31,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402257056] [2023-11-23 21:32:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:32,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:32,414 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:32,416 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:32,417 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:32,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:32,427 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:32,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:32,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:32 BoogieIcfgContainer [2023-11-23 21:32:32,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:32,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:32,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:32,557 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:32,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:31" (3/4) ... [2023-11-23 21:32:32,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:32,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:32,562 INFO L158 Benchmark]: Toolchain (without parser) took 2750.38ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 90.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,562 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:32,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.05ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 87.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.44ms. Allocated memory is still 146.8MB. Free memory was 87.4MB in the beginning and 84.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,564 INFO L158 Benchmark]: Boogie Preprocessor took 62.64ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,565 INFO L158 Benchmark]: RCFGBuilder took 935.74ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 104.7MB in the end (delta: -22.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,566 INFO L158 Benchmark]: TraceAbstraction took 1267.84ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 90.9MB in the end (delta: 12.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:32,566 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:32,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.05ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 87.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.44ms. Allocated memory is still 146.8MB. Free memory was 87.4MB in the beginning and 84.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.64ms. Allocated memory is still 146.8MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.74ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 104.7MB in the end (delta: -22.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1267.84ms. Allocated memory is still 146.8MB. Free memory was 103.8MB in the beginning and 90.9MB in the end (delta: 12.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of shiftRight at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 7.325; [L23] double var_1_2 = 9.2; [L24] double var_1_3 = 63.8; [L25] double var_1_4 = 256.6; [L26] double var_1_5 = 2.375; [L27] double var_1_6 = 25.8; [L28] unsigned char var_1_7 = 1; [L29] double var_1_8 = 1.5; [L30] unsigned long int var_1_9 = 32; [L31] unsigned long int var_1_10 = 3567543019; [L32] unsigned long int var_1_11 = 32; [L33] float var_1_12 = 31.875; [L34] signed long int var_1_13 = 128; [L35] unsigned char var_1_14 = 8; [L36] signed long int var_1_15 = -16; [L37] unsigned char var_1_16 = 4; [L38] double var_1_17 = 1.2; [L39] unsigned char var_1_18 = 16; [L40] signed long int var_1_19 = 64; [L41] unsigned char var_1_20 = 0; [L42] signed long int var_1_21 = 1897833385; [L43] unsigned char var_1_22 = 2; [L44] signed char var_1_23 = -5; [L45] signed char var_1_24 = -4; [L46] signed char var_1_25 = 2; [L47] signed long int var_1_26 = -1000000; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] FCALL updateLastVariables() [L149] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_double() [L92] 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, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_3=319/5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L92] 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, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_3=319/5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L100] var_1_6 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L102] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L103] var_1_7 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_8=3/2, var_1_9=32] [L105] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L106] var_1_8 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3567543019, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L108] var_1_10 = __VERIFIER_nondet_ulong() [L109] CALL assume_abort_if_not(var_1_10 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_10 >= 2147483647) VAL [isInitial=1, var_1_10=2147483664, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L110] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=2147483664, var_1_11=32, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L111] var_1_11 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=2147483664, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L113] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_14=8, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L114] var_1_14 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L116] CALL assume_abort_if_not(var_1_14 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_14 <= 255) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=-16, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L117] var_1_15 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_15 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_15 >= -2147483647) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L119] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_17=6/5, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L120] var_1_17 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_17 >= -922337.2036854776000e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_17 >= -922337.2036854776000e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L122] var_1_18 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L124] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L125] var_1_20 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L127] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L128] var_1_21 = __VERIFIER_nondet_long() [L129] CALL assume_abort_if_not(var_1_21 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_21 >= 1073741823) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L130] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L131] var_1_24 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_24 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_24 >= -126) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L133] CALL assume_abort_if_not(var_1_24 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_24 <= 126) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L134] var_1_25 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_25 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=-3, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_25 >= -126) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=-3, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L136] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=-3, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=-3, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L149] RET updateVariables() [L150] CALL step() [L51] COND FALSE !(var_1_2 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) [L58] var_1_1 = var_1_8 [L60] COND FALSE !(var_1_2 < (var_1_4 - var_1_3)) [L63] COND TRUE (((((var_1_9 / 2)) > ((~ var_1_11))) ? ((var_1_9 / 2)) : ((~ var_1_11)))) <= var_1_10 [L64] var_1_12 = var_1_8 [L66] unsigned long int stepLocal_0 = var_1_9; [L67] EXPR var_1_14 >> var_1_10 [L67] COND FALSE !((var_1_14 >> var_1_10) < stepLocal_0) [L70] COND TRUE var_1_3 >= (var_1_17 * var_1_4) [L71] var_1_16 = var_1_18 [L73] COND TRUE var_1_7 && var_1_20 [L74] var_1_19 = ((1827081742 - var_1_16) - (var_1_21 - (var_1_18 + var_1_14))) [L82] var_1_22 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) [L83] COND FALSE !(var_1_2 > var_1_5) [L86] var_1_23 = var_1_24 [L88] var_1_26 = var_1_25 [L150] RET step() [L151] CALL, EXPR property() [L141] EXPR ((((var_1_2 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_2 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_11))) : 1)) && (((((((var_1_9 / 2)) > ((~ var_1_11))) ? ((var_1_9 / 2)) : ((~ var_1_11)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_14 >> var_1_10) < var_1_9) ? (var_1_13 == ((signed long int) ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))) : 1) [L141-L142] return (((((((((var_1_2 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_2 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_11))) : 1)) && (((((((var_1_9 / 2)) > ((~ var_1_11))) ? ((var_1_9 / 2)) : ((~ var_1_11)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_14 >> var_1_10) < var_1_9) ? (var_1_13 == ((signed long int) ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))) : 1)) && ((var_1_3 >= (var_1_17 * var_1_4)) ? (var_1_16 == ((unsigned char) var_1_18)) : 1)) && ((var_1_7 && var_1_20) ? (var_1_19 == ((signed long int) ((1827081742 - var_1_16) - (var_1_21 - (var_1_18 + var_1_14))))) : ((2u >= ((((var_1_21) > (var_1_9)) ? (var_1_21) : (var_1_9)))) ? (var_1_19 == ((signed long int) var_1_15)) : (var_1_19 == ((signed long int) var_1_15))))) && (var_1_22 == ((unsigned char) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) && ((var_1_2 > var_1_5) ? (var_1_23 == ((signed char) (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) : (var_1_23 == ((signed char) var_1_24)))) && (var_1_26 == ((signed long int) var_1_25)) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_14=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=-320401776, var_1_1=255/8, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=-4, var_1_24=-4, var_1_25=-3, var_1_26=-3, var_1_7=1, var_1_8=255/8, var_1_9=32] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483664, var_1_11=2147483632, var_1_12=255/8, var_1_13=128, var_1_14=128, var_1_15=2147483646, var_1_16=4, var_1_18=4, var_1_19=-320401776, var_1_1=255/8, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=-4, var_1_24=-4, var_1_25=-3, var_1_26=-3, var_1_7=1, var_1_8=255/8, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 29, 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=55occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 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 21:32:32,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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_102f577f-290b-4098-97cd-084d214a6d19/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 05a9fba21ad9bde5a67b534568d27cec76ed7287b2e2d943dc08f36436cb719e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:35,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:35,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:35,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:35,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:35,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:35,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:35,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:35,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:35,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:35,463 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:35,464 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:35,464 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:35,466 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:35,466 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:35,467 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:35,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:35,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:35,469 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:35,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:35,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:35,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:35,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:35,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:35,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:35,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:35,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:35,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:35,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:35,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:35,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:35,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:35,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:35,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:35,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:35,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:35,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:35,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:35,477 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:35,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:35,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:35,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:35,479 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:35,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:35,480 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_102f577f-290b-4098-97cd-084d214a6d19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05a9fba21ad9bde5a67b534568d27cec76ed7287b2e2d943dc08f36436cb719e [2023-11-23 21:32:35,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:35,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:35,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:35,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:35,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:35,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:39,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:39,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:39,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:39,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/3c335b61b/935fb2f105fc4d1da071e83ef614cfe9/FLAG1f0682929 [2023-11-23 21:32:39,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/data/3c335b61b/935fb2f105fc4d1da071e83ef614cfe9 [2023-11-23 21:32:39,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:39,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:39,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:39,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:39,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:39,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:39,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7628dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39, skipping insertion in model container [2023-11-23 21:32:39,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:39,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:39,738 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_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i[917,930] [2023-11-23 21:32:39,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:39,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:39,831 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_102f577f-290b-4098-97cd-084d214a6d19/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-73.i[917,930] [2023-11-23 21:32:39,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:39,887 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:39,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39 WrapperNode [2023-11-23 21:32:39,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:39,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:39,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:39,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:39,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:39,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,034 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-23 21:32:40,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:40,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:40,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:40,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:40,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:40,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:40,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:40,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:40,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (1/1) ... [2023-11-23 21:32:40,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:40,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:40,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:40,357 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:40,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:51,321 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:51,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:51,449 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:51,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:51 BoogieIcfgContainer [2023-11-23 21:32:51,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:51,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:51,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:51,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:51,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:39" (1/3) ... [2023-11-23 21:32:51,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fae335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:51, skipping insertion in model container [2023-11-23 21:32:51,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:39" (2/3) ... [2023-11-23 21:32:51,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fae335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:51, skipping insertion in model container [2023-11-23 21:32:51,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:51" (3/3) ... [2023-11-23 21:32:51,462 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-73.i [2023-11-23 21:32:51,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:51,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:51,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:51,573 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;@3d97df34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:51,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 21:32:51,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:51,598 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:51,599 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:51,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash -537055709, now seen corresponding path program 1 times [2023-11-23 21:32:51,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:51,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593450723] [2023-11-23 21:32:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:51,623 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 21:32:51,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:51,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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 21:32:51,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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 21:32:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:53,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:53,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2023-11-23 21:32:53,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:53,230 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:53,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593450723] [2023-11-23 21:32:53,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593450723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:53,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:53,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:53,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123358890] [2023-11-23 21:32:53,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:53,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:53,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:53,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:53,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:53,308 INFO L87 Difference]: Start difference. First operand has 70 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:32:55,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:55,541 INFO L93 Difference]: Finished difference Result 137 states and 247 transitions. [2023-11-23 21:32:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:55,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 176 [2023-11-23 21:32:55,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:55,594 INFO L225 Difference]: With dead ends: 137 [2023-11-23 21:32:55,595 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:32:55,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 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 21:32:55,603 INFO L413 NwaCegarLoop]: 102 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, 102 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 21:32:55,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-23 21:32:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:32:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-23 21:32:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:32:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 105 transitions. [2023-11-23 21:32:55,660 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 105 transitions. Word has length 176 [2023-11-23 21:32:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:55,661 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 105 transitions. [2023-11-23 21:32:55,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-23 21:32:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-23 21:32:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 21:32:55,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:55,667 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:55,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:55,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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 21:32:55,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:55,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash 535056993, now seen corresponding path program 1 times [2023-11-23 21:32:55,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:55,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686650038] [2023-11-23 21:32:55,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:55,884 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 21:32:55,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:55,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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 21:32:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102f577f-290b-4098-97cd-084d214a6d19/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 21:32:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:57,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:32:57,558 INFO L285 TraceCheckSpWp]: Computing forward predicates...