./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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_a031bf9f-1399-4ad0-bec3-58454edd3439/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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:15,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:16,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:28:16,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:16,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:16,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:16,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:16,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:16,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:16,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:16,094 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:16,095 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:16,096 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:16,096 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:16,097 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:16,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:16,098 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:16,098 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:16,098 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:16,099 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:16,100 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:16,100 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:16,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:16,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:16,125 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:16,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:16,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:16,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:16,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:16,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:16,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:16,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:16,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:16,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:16,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:16,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:16,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:16,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:16,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:16,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:16,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:16,133 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:16,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:16,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:16,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:16,134 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:16,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:16,135 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_a031bf9f-1399-4ad0-bec3-58454edd3439/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-23 21:28:16,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:16,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:16,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:16,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:16,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:16,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:19,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:19,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:19,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:19,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/1cb9d658c/8837ca456b654eb6b09361bc8723cc14/FLAG614ef02f9 [2023-11-23 21:28:19,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/1cb9d658c/8837ca456b654eb6b09361bc8723cc14 [2023-11-23 21:28:19,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:19,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:19,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:19,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:19,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:19,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:19" (1/1) ... [2023-11-23 21:28:19,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6419b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:19, skipping insertion in model container [2023-11-23 21:28:19,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:19" (1/1) ... [2023-11-23 21:28:19,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:20,129 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_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-23 21:28:20,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:20,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:20,284 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_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-23 21:28:20,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:20,348 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:20,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20 WrapperNode [2023-11-23 21:28:20,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:20,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:20,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:20,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:20,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,414 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2023-11-23 21:28:20,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:20,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:20,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:20,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:20,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:20,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:20,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:20,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:20,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (1/1) ... [2023-11-23 21:28:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:20,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:20,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:20,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:28:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:28:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:28:20,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:20,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:20,712 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:20,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:21,356 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:22,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:22,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:22,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22 BoogieIcfgContainer [2023-11-23 21:28:22,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:22,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:22,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:22,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:22,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:19" (1/3) ... [2023-11-23 21:28:22,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e74dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:22, skipping insertion in model container [2023-11-23 21:28:22,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:20" (2/3) ... [2023-11-23 21:28:22,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e74dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:22, skipping insertion in model container [2023-11-23 21:28:22,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22" (3/3) ... [2023-11-23 21:28:22,018 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:22,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:22,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:22,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:22,119 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;@41a8d43d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:22,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:28:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:28:22,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:22,139 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:22,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:22,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash -559970093, now seen corresponding path program 1 times [2023-11-23 21:28:22,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:22,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934463610] [2023-11-23 21:28:22,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:22,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:22,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:28:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707193493] [2023-11-23 21:28:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:28:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:22,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:28:22,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:28:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:22,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:28:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:28:23,119 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:28:23,121 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:28:23,123 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:23,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:28:23,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:28:23,343 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:28:23,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:23,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:23 BoogieIcfgContainer [2023-11-23 21:28:23,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:23,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:23,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:23,477 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:23,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:22" (3/4) ... [2023-11-23 21:28:23,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:28:23,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:23,483 INFO L158 Benchmark]: Toolchain (without parser) took 3582.71ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 126.8MB in the beginning and 190.6MB in the end (delta: -63.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,484 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:23,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.29ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 110.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,486 INFO L158 Benchmark]: Boogie Preprocessor took 44.67ms. Allocated memory is still 174.1MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,487 INFO L158 Benchmark]: RCFGBuilder took 1528.48ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 103.7MB in the beginning and 151.4MB in the end (delta: -47.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,487 INFO L158 Benchmark]: TraceAbstraction took 1468.91ms. Allocated memory is still 241.2MB. Free memory was 150.3MB in the beginning and 191.7MB in the end (delta: -41.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:28:23,488 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 241.2MB. Free memory is still 190.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:23,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.29ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 110.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.67ms. Allocated memory is still 174.1MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1528.48ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 103.7MB in the beginning and 151.4MB in the end (delta: -47.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1468.91ms. Allocated memory is still 241.2MB. Free memory was 150.3MB in the beginning and 191.7MB in the end (delta: -41.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 241.2MB. Free memory is still 190.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of bitwiseOr at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 10; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 5; [L27] double var_1_7 = 4.175; [L28] unsigned char var_1_9 = 100; [L29] unsigned short int var_1_10 = 128; [L30] float var_1_11 = 10.6; [L31] float var_1_12 = 16.25; [L32] float var_1_13 = 0.0; [L33] float var_1_14 = 127.2; [L34] double var_1_15 = 0.75; [L35] unsigned char var_1_18 = 1; [L36] unsigned char var_1_19 = 1; [L37] signed char var_1_20 = 1; [L38] signed short int var_1_21 = -1; [L39] unsigned long int var_1_22 = 1000000000; [L40] signed long int var_1_23 = -50; [L41] unsigned long int var_1_24 = 3900988395; [L42] unsigned long int var_1_25 = 2230016845; [L43] unsigned long int var_1_26 = 256; [L44] unsigned long int var_1_27 = 4; [L45] signed char var_1_29 = 8; [L46] signed long int last_1_var_1_1 = 2; [L47] unsigned char last_1_var_1_9 = 100; [L48] unsigned short int last_1_var_1_10 = 128; [L49] double last_1_var_1_15 = 0.75; [L50] signed short int last_1_var_1_21 = -1; [L51] unsigned long int last_1_var_1_22 = 1000000000; [L52] unsigned long int last_1_var_1_27 = 4; [L53] signed char last_1_var_1_29 = 8; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L173] last_1_var_1_1 = var_1_1 [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_10 = var_1_10 [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_22 = var_1_22 [L179] last_1_var_1_27 = var_1_27 [L180] last_1_var_1_29 = var_1_29 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L143] var_1_3 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=5, var_1_7=167/40, var_1_9=100] [L149] var_1_5 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L151] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L152] var_1_12 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L154] var_1_13 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L161] var_1_23 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L163] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L164] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L165] var_1_24 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_24 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L167] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L168] var_1_25 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_25 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L170] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=167/40, var_1_9=100] [L191] RET updateVariables() [L192] CALL step() [L57] signed long int stepLocal_3 = last_1_var_1_1 * last_1_var_1_29; [L58] COND FALSE !(var_1_5 == stepLocal_3) [L61] var_1_21 = ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))) [L63] signed long int stepLocal_4 = last_1_var_1_10; [L64] COND TRUE (var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= stepLocal_4 [L65] COND TRUE \read(var_1_19) [L66] var_1_22 = (var_1_24 - (last_1_var_1_9 + var_1_4)) [L71] COND TRUE last_1_var_1_15 < (- var_1_14) [L72] var_1_18 = (var_1_2 || var_1_19) [L74] var_1_10 = ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4))) [L75] var_1_11 = (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13)))) [L76] var_1_20 = var_1_5 [L77] COND TRUE var_1_21 != 10 [L78] var_1_9 = ((((var_1_4) > (2)) ? (var_1_4) : (2))) [L90] signed short int stepLocal_2 = var_1_21; [L91] unsigned long int stepLocal_1 = var_1_22; [L92] COND TRUE (var_1_9 * (var_1_4 * var_1_5)) < stepLocal_2 [L93] EXPR var_1_9 ^ var_1_4 [L93] EXPR var_1_5 | (var_1_9 ^ var_1_4) [L93] COND TRUE stepLocal_1 != (var_1_5 | (var_1_9 ^ var_1_4)) [L94] COND TRUE \read(var_1_18) [L95] var_1_7 = 8.5 [L99] COND TRUE \read(var_1_18) [L100] var_1_15 = ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L112] signed long int stepLocal_0 = 500 * var_1_10; [L113] COND TRUE \read(var_1_18) [L114] COND TRUE (var_1_3 - (var_1_4 - var_1_5)) >= stepLocal_0 [L115] var_1_1 = var_1_4 [L120] COND TRUE var_1_18 && var_1_19 [L121] var_1_27 = ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))) [L123] COND FALSE !((var_1_13 - var_1_14) <= var_1_12) [L126] var_1_26 = ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))) [L128] unsigned char stepLocal_5 = var_1_13 < var_1_15; [L129] COND TRUE var_1_18 || stepLocal_5 [L130] COND TRUE (((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15 [L131] var_1_29 = (var_1_5 - 10) [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 [L183] EXPR var_1_9 ^ var_1_4 [L183] EXPR var_1_5 | (var_1_9 ^ var_1_4) [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) [L183-L184] return ((((((((((((var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)) && ((var_1_21 != 10) ? (var_1_9 == ((unsigned char) ((((var_1_4) > (2)) ? (var_1_4) : (2))))) : ((var_1_22 > (var_1_21 / 128)) ? (var_1_18 ? (var_1_9 == ((unsigned char) var_1_4)) : (var_1_9 == ((unsigned char) var_1_5))) : (var_1_9 == ((unsigned char) var_1_4))))) && (var_1_10 == ((unsigned short int) ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4)))))) && (var_1_11 == ((float) (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13))))))) && (var_1_18 ? (var_1_15 == ((double) ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : ((var_1_22 < var_1_4) ? ((var_1_18 || var_1_18) ? (var_1_15 == ((double) var_1_14)) : (var_1_15 == ((double) var_1_14))) : (var_1_15 == ((double) var_1_13))))) && ((last_1_var_1_15 < (- var_1_14)) ? (var_1_18 == ((unsigned char) (var_1_2 || var_1_19))) : 1)) && (var_1_20 == ((signed char) var_1_5))) && ((var_1_5 == (last_1_var_1_1 * last_1_var_1_29)) ? (var_1_21 == ((signed short int) ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) : (var_1_21 == ((signed short int) ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))))))) && (((var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= last_1_var_1_10) ? (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_24 - (last_1_var_1_9 + var_1_4)))) : (var_1_22 == ((unsigned long int) (((((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) < (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))) ? ((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) : (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))))))) : 1)) && (((var_1_13 - var_1_14) <= var_1_12) ? (var_1_26 == ((unsigned long int) (var_1_25 - var_1_27))) : (var_1_26 == ((unsigned long int) ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))))))) && ((var_1_18 && var_1_19) ? (var_1_27 == ((unsigned long int) ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))))) : 1)) && ((var_1_18 || (var_1_13 < var_1_15)) ? (((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) ? (var_1_29 == ((signed char) (var_1_5 - 10))) : (var_1_29 == ((signed char) var_1_5))) : (var_1_29 == ((signed char) var_1_5))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=4294967131, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=63, var_1_27=0, var_1_29=-10, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=17/2, var_1_9=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=2, var_1_18=1, var_1_19=1, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=4294967131, var_1_23=64, var_1_24=4294967294, var_1_25=2147483647, var_1_26=63, var_1_27=0, var_1_29=-10, var_1_2=1, var_1_3=127, var_1_4=63, var_1_5=0, var_1_7=17/2, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:28:23,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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_a031bf9f-1399-4ad0-bec3-58454edd3439/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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:26,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:26,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:28:26,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:26,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:26,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:26,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:26,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:26,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:26,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:26,526 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:26,527 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:26,527 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:26,529 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:26,530 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:26,530 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:26,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:26,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:26,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:26,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:26,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:26,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:26,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:26,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:26,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:26,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:28:26,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:28:26,537 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:26,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:26,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:26,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:26,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:28:26,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:26,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:26,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:26,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:26,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:26,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:26,542 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:28:26,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:26,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:26,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:26,544 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:26,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:26,548 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_a031bf9f-1399-4ad0-bec3-58454edd3439/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-23 21:28:26,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:26,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:26,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:26,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:26,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:26,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:30,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:30,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:30,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:30,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/06dc97e74/e3d1b0cae92d4dd2ad86d4aa5aa99d7f/FLAGfb05754a5 [2023-11-23 21:28:30,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/data/06dc97e74/e3d1b0cae92d4dd2ad86d4aa5aa99d7f [2023-11-23 21:28:30,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:30,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:30,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:30,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:30,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:30,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:30" (1/1) ... [2023-11-23 21:28:30,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f0619e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:30, skipping insertion in model container [2023-11-23 21:28:30,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:30" (1/1) ... [2023-11-23 21:28:30,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:30,968 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_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-23 21:28:31,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:31,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:31,117 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_a031bf9f-1399-4ad0-bec3-58454edd3439/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-23 21:28:31,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:31,193 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:31,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31 WrapperNode [2023-11-23 21:28:31,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:31,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:31,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:31,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:31,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,270 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-23 21:28:31,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:31,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:31,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:31,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:31,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:31,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:31,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:31,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:31,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (1/1) ... [2023-11-23 21:28:31,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:31,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:31,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:31,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:28:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:28:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:28:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:31,508 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:31,511 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:40,281 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:40,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:40,355 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:28:40,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:40 BoogieIcfgContainer [2023-11-23 21:28:40,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:40,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:40,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:40,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:40,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:30" (1/3) ... [2023-11-23 21:28:40,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a68cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:40, skipping insertion in model container [2023-11-23 21:28:40,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31" (2/3) ... [2023-11-23 21:28:40,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223a68cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:40, skipping insertion in model container [2023-11-23 21:28:40,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:40" (3/3) ... [2023-11-23 21:28:40,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-23 21:28:40,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:40,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:40,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:40,473 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;@209c2066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:40,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 46 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:28:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:28:40,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:40,504 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:40,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:40,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 646876174, now seen corresponding path program 1 times [2023-11-23 21:28:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177231462] [2023-11-23 21:28:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:40,533 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 21:28:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:40,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:28:40,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:28:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:41,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:28:41,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-23 21:28:42,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:28:42,017 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:28:42,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177231462] [2023-11-23 21:28:42,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177231462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:42,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:42,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:28:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817144216] [2023-11-23 21:28:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:42,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:28:42,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:28:42,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:28:42,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:42,091 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 46 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:28:44,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:28:44,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:44,522 INFO L93 Difference]: Finished difference Result 133 states and 236 transitions. [2023-11-23 21:28:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:28:44,631 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2023-11-23 21:28:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:44,642 INFO L225 Difference]: With dead ends: 133 [2023-11-23 21:28:44,643 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 21:28:44,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 21:28:44,652 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:44,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:28:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 21:28:44,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 21:28:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:28:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 104 transitions. [2023-11-23 21:28:44,715 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 104 transitions. Word has length 131 [2023-11-23 21:28:44,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:44,716 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 104 transitions. [2023-11-23 21:28:44,717 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, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:28:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2023-11-23 21:28:44,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 21:28:44,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:44,724 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:44,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:28:44,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:28:44,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:44,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:44,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1145182766, now seen corresponding path program 1 times [2023-11-23 21:28:44,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:28:44,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803238689] [2023-11-23 21:28:44,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:44,952 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 21:28:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:28:44,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:28:44,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:28:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:46,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:28:46,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:28:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-23 21:28:55,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:29:03,405 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:03,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803238689] [2023-11-23 21:29:03,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803238689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:29:03,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [896639132] [2023-11-23 21:29:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:03,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:29:03,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:29:03,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:29:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:04,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:29:04,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 21:29:04,510 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:04,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [896639132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:04,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:29:04,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-23 21:29:04,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009506488] [2023-11-23 21:29:04,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:04,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:04,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:29:04,515 INFO L87 Difference]: Start difference. First operand 66 states and 104 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:07,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:09,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:11,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:11,631 INFO L93 Difference]: Finished difference Result 193 states and 304 transitions. [2023-11-23 21:29:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2023-11-23 21:29:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:11,636 INFO L225 Difference]: With dead ends: 193 [2023-11-23 21:29:11,641 INFO L226 Difference]: Without dead ends: 128 [2023-11-23 21:29:11,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:29:11,645 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 86 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:11,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 195 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2023-11-23 21:29:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-23 21:29:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2023-11-23 21:29:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-23 21:29:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2023-11-23 21:29:11,703 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 131 [2023-11-23 21:29:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:11,704 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2023-11-23 21:29:11,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:29:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2023-11-23 21:29:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:29:11,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:11,708 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:11,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:11,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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)] Ended with exit code 0 [2023-11-23 21:29:12,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:29:12,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:12,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:12,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1406446241, now seen corresponding path program 1 times [2023-11-23 21:29:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:12,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778720021] [2023-11-23 21:29:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:12,115 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 21:29:12,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:12,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 21:29:12,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a031bf9f-1399-4ad0-bec3-58454edd3439/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 (5)] Waiting until timeout for monitored process [2023-11-23 21:29:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:13,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:29:13,206 INFO L285 TraceCheckSpWp]: Computing forward predicates...