./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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 fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:55,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:55,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:31:55,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:55,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:55,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:55,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:55,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:55,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:55,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:55,314 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:55,314 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:55,315 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:55,316 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:55,316 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:55,317 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:55,317 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:55,318 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:55,318 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:55,319 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:55,320 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:55,320 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:55,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:55,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:55,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:55,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:55,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:55,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:55,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:55,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:55,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:55,326 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:55,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:55,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:55,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:55,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:55,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:55,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:55,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:55,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:55,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:55,332 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:55,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:55,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:55,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:55,334 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:55,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:55,335 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb [2023-11-23 21:31:55,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:55,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:55,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:55,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:55,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:55,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:31:58,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:59,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:59,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:31:59,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/ba1e436b2/d94082eb29dc4da6bafebaf37554f2eb/FLAG397e393f6 [2023-11-23 21:31:59,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/ba1e436b2/d94082eb29dc4da6bafebaf37554f2eb [2023-11-23 21:31:59,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:59,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:59,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:59,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:59,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:59,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4273dcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59, skipping insertion in model container [2023-11-23 21:31:59,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,186 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:59,345 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2023-11-23 21:31:59,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:59,455 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:59,467 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2023-11-23 21:31:59,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:59,526 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:59,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59 WrapperNode [2023-11-23 21:31:59,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:59,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:59,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:59,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:59,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,611 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2023-11-23 21:31:59,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:59,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:59,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:59,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:59,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:59,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:59,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:59,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:59,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (1/1) ... [2023-11-23 21:31:59,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:59,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:59,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:59,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:59,898 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:59,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:00,518 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:01,035 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:01,035 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:01,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:01 BoogieIcfgContainer [2023-11-23 21:32:01,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:01,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:01,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:01,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:01,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:59" (1/3) ... [2023-11-23 21:32:01,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e210cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:01, skipping insertion in model container [2023-11-23 21:32:01,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:59" (2/3) ... [2023-11-23 21:32:01,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e210cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:01, skipping insertion in model container [2023-11-23 21:32:01,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:01" (3/3) ... [2023-11-23 21:32:01,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:32:01,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:01,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:01,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:01,147 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;@f743316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:01,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:32:01,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:01,165 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:01,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:01,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:01,170 INFO L85 PathProgramCache]: Analyzing trace with hash -113966104, now seen corresponding path program 1 times [2023-11-23 21:32:01,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:01,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833138844] [2023-11-23 21:32:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:01,414 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:32:01,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1736138596] [2023-11-23 21:32:01,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:01,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:01,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:01,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:32:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:01,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:02,625 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:02,628 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:02,629 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:02,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:02,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:32:02,843 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:02,847 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:02,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:02 BoogieIcfgContainer [2023-11-23 21:32:02,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:02,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:02,990 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:02,990 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:02,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:01" (3/4) ... [2023-11-23 21:32:02,993 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:02,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:02,995 INFO L158 Benchmark]: Toolchain (without parser) took 3863.35ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 94.3MB in the end (delta: 39.1MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-11-23 21:32:02,996 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:02,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.75ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 117.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:32:02,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.98ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 113.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:32:02,998 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 110.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:02,999 INFO L158 Benchmark]: RCFGBuilder took 1370.57ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 85.5MB in the end (delta: 25.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:32:02,999 INFO L158 Benchmark]: TraceAbstraction took 1948.46ms. Allocated memory is still 165.7MB. Free memory was 84.6MB in the beginning and 95.4MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:03,000 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 94.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:03,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.75ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 117.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.98ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 113.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 165.7MB. Free memory was 113.2MB in the beginning and 110.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1370.57ms. Allocated memory is still 165.7MB. Free memory was 110.5MB in the beginning and 85.5MB in the end (delta: 25.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1948.46ms. Allocated memory is still 165.7MB. Free memory was 84.6MB in the beginning and 95.4MB in the end (delta: -10.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 94.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of bitwiseOr at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] unsigned short int var_1_25 = 2; [L39] unsigned short int var_1_26 = 1; [L40] unsigned short int var_1_27 = 64; [L41] signed long int var_1_28 = -4; [L42] unsigned long int var_1_29 = 10; [L43] unsigned char var_1_30 = 4; [L44] unsigned char var_1_31 = 16; [L45] signed long int var_1_32 = 8; [L46] float var_1_33 = 24.55; [L47] signed long int var_1_34 = 5; [L48] unsigned short int var_1_35 = 256; [L49] unsigned char var_1_36 = 0; [L50] unsigned long int last_1_var_1_10 = 256; [L51] unsigned char last_1_var_1_20 = 32; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_20 = var_1_20 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L119] var_1_3 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_5=-32, var_1_6=256] [L121] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L122] var_1_5 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L124] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L125] var_1_13 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L127] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L128] var_1_14 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L130] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L131] var_1_15 = __VERIFIER_nondet_double() [L132] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L133] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L134] var_1_16 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L136] var_1_21 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L138] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L139] var_1_22 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L141] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L142] var_1_25 = __VERIFIER_nondet_ushort() [L143] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L144] CALL assume_abort_if_not(var_1_25 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_25 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_26=1, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L145] var_1_26 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L147] CALL assume_abort_if_not(var_1_26 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_26 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_27=64, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L148] var_1_27 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L150] CALL assume_abort_if_not(var_1_27 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_27 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=16, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L151] var_1_31 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_31 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_31 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_33=491/20, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L154] var_1_33 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=5, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L156] var_1_34 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_34 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_34 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L158] CALL assume_abort_if_not(var_1_34 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_34 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=0, var_1_3=0, var_1_5=34, var_1_6=256] [L159] var_1_36 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_3=0, var_1_5=34, var_1_6=256] [L161] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=1, var_1_3=0, var_1_5=34, var_1_6=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=64, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=-4, var_1_29=10, var_1_30=4, var_1_31=0, var_1_32=8, var_1_34=0, var_1_35=256, var_1_36=1, var_1_3=0, var_1_5=34, var_1_6=256] [L176] RET updateVariables() [L177] CALL step() [L55] COND FALSE !(var_1_25 >= ((((var_1_26) > (var_1_27)) ? (var_1_26) : (var_1_27)))) [L58] var_1_28 = var_1_27 [L59] var_1_29 = var_1_26 [L60] var_1_30 = var_1_31 [L61] COND TRUE ((((1.25f) < 0 ) ? -(1.25f) : (1.25f))) != var_1_33 [L62] EXPR var_1_31 ^ var_1_34 [L62] EXPR ((var_1_25) > ((var_1_31 ^ var_1_34))) ? (var_1_25) : ((var_1_31 ^ var_1_34)) [L62] COND FALSE !(var_1_28 >= ((((var_1_25) > ((var_1_31 ^ var_1_34))) ? (var_1_25) : ((var_1_31 ^ var_1_34))))) [L65] var_1_32 = var_1_25 [L70] COND TRUE \read(var_1_36) [L71] var_1_35 = ((((var_1_30) > (((((128) < 0 ) ? -(128) : (128))))) ? (var_1_30) : (((((128) < 0 ) ? -(128) : (128)))))) [L73] COND FALSE !(\read(var_1_3)) [L78] signed long int stepLocal_2 = var_1_5 * var_1_13; [L79] COND FALSE !(stepLocal_2 > last_1_var_1_10) [L82] COND FALSE !((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) [L87] unsigned char stepLocal_1 = var_1_17 <= var_1_17; [L88] COND FALSE !(stepLocal_1 || var_1_3) [L93] var_1_12 = var_1_16 [L95] COND TRUE 99999.8f < var_1_17 [L96] COND TRUE ! var_1_3 [L97] COND FALSE !(var_1_17 >= (var_1_17 / 2.5f)) [L106] COND TRUE (var_1_17 + var_1_12) <= var_1_17 [L107] COND TRUE var_1_6 >= var_1_6 [L108] var_1_23 = var_1_20 [L111] EXPR var_1_6 ^ var_1_20 [L111] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L112] COND TRUE var_1_20 <= stepLocal_0 [L113] COND FALSE !(var_1_12 == var_1_12) [L177] RET step() [L178] CALL, EXPR property() [L168] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L168] EXPR var_1_6 ^ var_1_20 [L168] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L168-L169] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=1, var_1_14=64, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=32, var_1_24=5, var_1_25=1, var_1_26=2, var_1_27=0, var_1_28=0, var_1_29=2, var_1_30=0, var_1_31=0, var_1_32=1, var_1_34=0, var_1_35=128, var_1_36=1, var_1_3=0, var_1_5=34, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=1, var_1_14=64, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=32, var_1_24=5, var_1_25=1, var_1_26=2, var_1_27=0, var_1_28=0, var_1_29=2, var_1_30=0, var_1_31=0, var_1_32=1, var_1_34=0, var_1_35=128, var_1_36=1, var_1_3=0, var_1_5=34, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:32:03,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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 fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:05,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:05,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:05,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:05,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:05,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:05,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:05,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:05,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:05,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:05,896 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:05,896 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:05,897 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:05,898 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:05,899 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:05,899 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:05,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:05,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:05,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:05,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:05,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:05,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:05,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:05,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:05,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:05,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:05,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:05,905 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:05,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:05,906 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:05,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:05,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:05,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:05,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:05,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:05,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:05,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:05,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:05,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:05,911 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:05,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:05,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:05,912 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:05,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:05,913 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcab9d14a39efb8d0bba4b7e607a800a4978f63d5ac50f5af469476854f605eb [2023-11-23 21:32:06,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:06,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:06,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:06,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:06,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:06,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:32:09,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:09,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:09,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:32:09,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/d0fc845e9/c992a2e107d748be911cd9fd3e5ebf21/FLAGf6df7ad33 [2023-11-23 21:32:09,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/data/d0fc845e9/c992a2e107d748be911cd9fd3e5ebf21 [2023-11-23 21:32:09,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:09,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:09,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:09,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:09,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:09,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:09" (1/1) ... [2023-11-23 21:32:09,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e6347a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:09, skipping insertion in model container [2023-11-23 21:32:09,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:09" (1/1) ... [2023-11-23 21:32:09,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:10,007 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2023-11-23 21:32:10,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:10,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:10,199 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_1031fc62-e7da-4e10-b4eb-bd088dbd391a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-3.i[914,927] [2023-11-23 21:32:10,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:10,317 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:10,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10 WrapperNode [2023-11-23 21:32:10,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:10,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:10,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:10,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:10,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,407 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-11-23 21:32:10,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:10,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:10,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:10,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:10,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:10,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:10,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:10,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:10,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (1/1) ... [2023-11-23 21:32:10,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:10,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:10,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:10,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:10,733 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:10,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:19,795 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:19,878 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:19,879 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:19,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:19 BoogieIcfgContainer [2023-11-23 21:32:19,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:19,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:19,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:19,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:19,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:09" (1/3) ... [2023-11-23 21:32:19,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e380197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:10" (2/3) ... [2023-11-23 21:32:19,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e380197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:19" (3/3) ... [2023-11-23 21:32:19,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-3.i [2023-11-23 21:32:19,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:19,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:19,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:19,964 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;@41f9a797, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:19,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:32:19,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:19,986 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:19,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:19,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:19,992 INFO L85 PathProgramCache]: Analyzing trace with hash -480897107, now seen corresponding path program 1 times [2023-11-23 21:32:20,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:20,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688155227] [2023-11-23 21:32:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:20,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:20,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:32:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:21,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:21,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 21:32:21,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:21,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688155227] [2023-11-23 21:32:21,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688155227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:21,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:21,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:21,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476168847] [2023-11-23 21:32:21,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:21,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:21,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:21,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:21,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:21,484 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:23,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:23,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:23,881 INFO L93 Difference]: Finished difference Result 155 states and 282 transitions. [2023-11-23 21:32:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-11-23 21:32:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:24,005 INFO L225 Difference]: With dead ends: 155 [2023-11-23 21:32:24,005 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:32:24,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:24,012 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:24,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:32:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:32:24,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:32:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 47 states have internal predecessors, (66), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2023-11-23 21:32:24,064 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 174 [2023-11-23 21:32:24,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:24,065 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2023-11-23 21:32:24,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-23 21:32:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:32:24,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:24,071 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:24,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/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 21:32:24,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:24,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:24,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:24,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1654095375, now seen corresponding path program 1 times [2023-11-23 21:32:24,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:24,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972696953] [2023-11-23 21:32:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:24,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:24,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:24,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:24,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:32:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:25,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:32:25,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:32:29,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:29,449 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:29,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972696953] [2023-11-23 21:32:29,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972696953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:29,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:29,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:29,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381921923] [2023-11-23 21:32:29,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:29,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:29,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:29,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:32:29,455 INFO L87 Difference]: Start difference. First operand 77 states and 122 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:32:31,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:34,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:36,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:38,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:41,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:43,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:46,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:48,235 WARN L539 Checker$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 21:32:50,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:52,263 WARN L539 Checker$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 21:32:54,271 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 21:32:54,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:54,433 INFO L93 Difference]: Finished difference Result 229 states and 364 transitions. [2023-11-23 21:32:54,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:32:54,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 174 [2023-11-23 21:32:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:54,442 INFO L225 Difference]: With dead ends: 229 [2023-11-23 21:32:54,443 INFO L226 Difference]: Without dead ends: 153 [2023-11-23 21:32:54,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:54,447 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 51 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:54,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 353 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 24.9s Time] [2023-11-23 21:32:54,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-23 21:32:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2023-11-23 21:32:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 21:32:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 239 transitions. [2023-11-23 21:32:54,495 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 239 transitions. Word has length 174 [2023-11-23 21:32:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:54,497 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 239 transitions. [2023-11-23 21:32:54,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:32:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2023-11-23 21:32:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 21:32:54,502 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:54,502 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:54,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:54,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:54,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:54,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash 528156402, now seen corresponding path program 1 times [2023-11-23 21:32:54,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:54,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883816025] [2023-11-23 21:32:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:54,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:54,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:54,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1031fc62-e7da-4e10-b4eb-bd088dbd391a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:32:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:56,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:32:56,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:32:56,144 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:56,145 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:56,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883816025] [2023-11-23 21:32:56,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883816025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:56,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:56,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:56,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651100383] [2023-11-23 21:32:56,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:56,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:56,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:56,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:56,148 INFO L87 Difference]: Start difference. First operand 151 states and 239 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:32:58,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:00,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:02,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []