./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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_1214f24a-18f7-48dc-8656-e6993eb02e47/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 2c300368c8a1ee1c087c3833e062ccdb0be815c66eb6b18965a1287da2bc2657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:44,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:44,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:22:44,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:44,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:44,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:44,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:44,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:44,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:44,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:44,764 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:44,765 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:44,765 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:44,766 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:44,767 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:44,767 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:44,768 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:44,769 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:44,769 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:44,770 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:44,771 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:44,772 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:44,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:44,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:44,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:44,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:44,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:44,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:44,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:44,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:44,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:44,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:44,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:44,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:44,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:44,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:44,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:44,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:44,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:44,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:44,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:44,784 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:44,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:44,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:44,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:44,786 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:44,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:44,787 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_1214f24a-18f7-48dc-8656-e6993eb02e47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c300368c8a1ee1c087c3833e062ccdb0be815c66eb6b18965a1287da2bc2657 [2023-11-23 21:22:45,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:45,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:45,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:45,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:45,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:45,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i [2023-11-23 21:22:48,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:48,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:48,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i [2023-11-23 21:22:48,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/aec4b73ac/d0d8739b0ce24c85a4df5ce1863729d6/FLAGd3199ee68 [2023-11-23 21:22:48,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/aec4b73ac/d0d8739b0ce24c85a4df5ce1863729d6 [2023-11-23 21:22:48,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:48,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:48,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:48,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:48,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:48,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:48,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef616bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48, skipping insertion in model container [2023-11-23 21:22:48,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:48,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:48,802 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_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i[917,930] [2023-11-23 21:22:48,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:48,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:48,895 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_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i[917,930] [2023-11-23 21:22:48,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:48,949 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:48,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48 WrapperNode [2023-11-23 21:22:48,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:48,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:48,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:48,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:48,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:48,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,020 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-11-23 21:22:49,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:49,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:49,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:49,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:49,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:49,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:49,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:49,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:49,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:49,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:49,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:49,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:49,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:49,762 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:50,222 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:50,223 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:22:50,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:50 BoogieIcfgContainer [2023-11-23 21:22:50,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:50,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:50,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:50,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:50,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:48" (1/3) ... [2023-11-23 21:22:50,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47641323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:50, skipping insertion in model container [2023-11-23 21:22:50,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48" (2/3) ... [2023-11-23 21:22:50,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47641323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:50, skipping insertion in model container [2023-11-23 21:22:50,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:50" (3/3) ... [2023-11-23 21:22:50,240 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-61.i [2023-11-23 21:22:50,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:50,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:50,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:50,338 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;@3e046524, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:50,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:22:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 21:22:50,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:50,362 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:50,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:50,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:50,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1994627860, now seen corresponding path program 1 times [2023-11-23 21:22:50,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:50,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105462027] [2023-11-23 21:22:50,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:50,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:50,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:22:50,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037068428] [2023-11-23 21:22:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:50,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:22:50,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:50,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:22:50,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:22:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:22:51,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:22:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:22:51,307 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:22:51,309 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:22:51,311 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:22:51,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:51,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:22:51,526 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:22:51,530 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:22:51,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:22:51 BoogieIcfgContainer [2023-11-23 21:22:51,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:22:51,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:22:51,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:22:51,692 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:22:51,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:50" (3/4) ... [2023-11-23 21:22:51,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:22:51,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:22:51,702 INFO L158 Benchmark]: Toolchain (without parser) took 3177.82ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 114.0MB in the beginning and 150.0MB in the end (delta: -35.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-23 21:22:51,702 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 51.2MB in the beginning and 51.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:51,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 100.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:22:51,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.39ms. Allocated memory is still 159.4MB. Free memory was 100.3MB in the beginning and 97.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:51,710 INFO L158 Benchmark]: Boogie Preprocessor took 66.30ms. Allocated memory is still 159.4MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:51,711 INFO L158 Benchmark]: RCFGBuilder took 1136.97ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 90.9MB in the end (delta: 4.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-23 21:22:51,711 INFO L158 Benchmark]: TraceAbstraction took 1461.36ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 90.1MB in the beginning and 150.0MB in the end (delta: -59.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:51,712 INFO L158 Benchmark]: Witness Printer took 7.73ms. Allocated memory is still 203.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:51,720 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 98.6MB. Free memory was 51.2MB in the beginning and 51.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.36ms. Allocated memory is still 159.4MB. Free memory was 114.0MB in the beginning and 100.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.39ms. Allocated memory is still 159.4MB. Free memory was 100.3MB in the beginning and 97.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.30ms. Allocated memory is still 159.4MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1136.97ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 90.9MB in the end (delta: 4.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1461.36ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 90.1MB in the beginning and 150.0MB in the end (delta: -59.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.73ms. Allocated memory is still 203.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 147, overapproximation of bitwiseOr at line 60, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 147. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.5; [L23] unsigned long int var_1_2 = 100; [L24] unsigned long int var_1_3 = 4; [L25] unsigned long int var_1_4 = 1; [L26] unsigned long int var_1_5 = 50; [L27] unsigned long int var_1_6 = 4; [L28] float var_1_7 = 15.8; [L29] float var_1_8 = 64.25; [L30] signed long int var_1_9 = -50; [L31] signed long int var_1_10 = 10; [L32] signed long int var_1_11 = -5; [L33] signed long int var_1_12 = 256; [L34] unsigned char var_1_13 = 1; [L35] unsigned long int var_1_14 = 3207304078; [L36] unsigned long int var_1_15 = 50; [L37] unsigned long int var_1_16 = 25; [L38] unsigned char var_1_17 = 1; [L39] unsigned char var_1_18 = 0; [L40] unsigned char var_1_19 = 0; [L41] unsigned short int var_1_20 = 1; [L42] unsigned long int var_1_21 = 50; [L43] signed char var_1_22 = -4; [L44] signed char var_1_23 = -10; [L151] isInitial = 1 [L152] FCALL initially() [L153] COND TRUE 1 [L154] FCALL updateLastVariables() [L155] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L100] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_3=4, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L101] var_1_3 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L103] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=50, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L104] var_1_5 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L106] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L107] var_1_6 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L109] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_8=257/4, var_1_9=-50] [L110] var_1_8 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L112] var_1_10 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, var_1_10=-536870910, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L114] CALL assume_abort_if_not(var_1_10 <= 536870912) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_10 <= 536870912) VAL [isInitial=1, var_1_10=-536870910, var_1_11=-5, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L115] var_1_11 = __VERIFIER_nondet_long() [L116] CALL assume_abort_if_not(var_1_11 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 >= -536870911) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L117] CALL assume_abort_if_not(var_1_11 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_11 <= 536870911) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=256, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L118] var_1_12 = __VERIFIER_nondet_long() [L119] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L120] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=3207304078, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L121] var_1_14 = __VERIFIER_nondet_ulong() [L122] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L123] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=50, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L124] var_1_15 = __VERIFIER_nondet_ulong() [L125] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L126] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=25, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L127] var_1_16 = __VERIFIER_nondet_ulong() [L128] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L129] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L130] var_1_17 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L132] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L133] var_1_18 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L135] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=1, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L136] var_1_20 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L138] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L139] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-10, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L140] var_1_23 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_23 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_23 >= -127) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L142] CALL assume_abort_if_not(var_1_23 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_23 <= 126) VAL [isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=17/2, var_1_20=3, var_1_21=50, var_1_22=-4, var_1_23=-127, var_1_4=1, var_1_5=1, var_1_6=4256310284, var_1_7=79/5, var_1_9=-50] [L155] RET updateVariables() [L156] CALL step() [L48] COND FALSE !((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) [L51] unsigned long int stepLocal_0 = var_1_3; [L52] COND TRUE stepLocal_0 < var_1_2 [L53] var_1_4 = ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) [L55] unsigned long int stepLocal_3 = var_1_4; [L56] unsigned long int stepLocal_2 = var_1_5; [L57] unsigned long int stepLocal_1 = (((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)); [L58] COND FALSE !(var_1_4 <= stepLocal_1) [L67] var_1_7 = var_1_8 [L69] unsigned long int stepLocal_4 = var_1_4; [L70] COND TRUE stepLocal_4 >= (4256310412u - 128u) [L71] var_1_9 = (((((var_1_10 + var_1_11) < 0 ) ? -(var_1_10 + var_1_11) : (var_1_10 + var_1_11))) + var_1_12) [L73] COND FALSE !(var_1_2 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) [L80] var_1_13 = var_1_18 [L82] signed long int stepLocal_5 = ~ 100; [L83] COND FALSE !(((var_1_12 / 2) / var_1_20) >= stepLocal_5) [L88] COND TRUE \read(var_1_17) [L89] var_1_19 = var_1_18 [L94] var_1_21 = var_1_6 [L95] var_1_22 = var_1_23 [L156] RET step() [L157] CALL, EXPR property() [L147] EXPR ((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L147] EXPR (var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)) [L147] EXPR ((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8))) [L147-L148] return (((((((((var_1_2 / ((((64u) < 0 ) ? -(64u) : (64u)))) == var_1_3) ? (var_1_1 == ((double) (8.8 - 255.2))) : 1) && ((var_1_3 < var_1_2) ? (var_1_4 == ((unsigned long int) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) : 1)) && ((var_1_4 <= ((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5)))) ? ((var_1_4 < var_1_5) ? ((var_1_4 >= (var_1_3 ^ 4u)) ? (var_1_7 == ((float) var_1_8)) : 1) : (var_1_7 == ((float) var_1_8))) : (var_1_7 == ((float) var_1_8)))) && ((var_1_4 >= (4256310412u - 128u)) ? (var_1_9 == ((signed long int) (((((var_1_10 + var_1_11) < 0 ) ? -(var_1_10 + var_1_11) : (var_1_10 + var_1_11))) + var_1_12))) : 1)) && ((var_1_2 >= (var_1_14 - ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? ((var_1_16 < var_1_9) ? (var_1_13 == ((unsigned char) var_1_17)) : (var_1_13 == ((unsigned char) var_1_17))) : (var_1_13 == ((unsigned char) var_1_18)))) && ((((var_1_12 / 2) / var_1_20) >= (~ 100)) ? (var_1_13 ? (var_1_19 == ((unsigned char) (var_1_17 && var_1_18))) : 1) : (var_1_17 ? (var_1_19 == ((unsigned char) var_1_18)) : (var_1_19 == ((unsigned char) var_1_18))))) && (var_1_21 == ((unsigned long int) var_1_6))) && (var_1_22 == ((signed char) var_1_23)) ; [L157] RET, EXPR property() [L157] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=3, var_1_21=4256310284, var_1_22=-127, var_1_23=-127, var_1_2=128, var_1_3=1, var_1_4=4256310284, var_1_5=1, var_1_6=4256310284, var_1_7=2, var_1_8=2, var_1_9=-619] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-536870910, var_1_11=536870911, var_1_12=-620, var_1_13=1, var_1_14=2147483647, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=17/2, var_1_20=3, var_1_21=4256310284, var_1_22=-127, var_1_23=-127, var_1_2=128, var_1_3=1, var_1_4=4256310284, var_1_5=1, var_1_6=4256310284, var_1_7=2, var_1_8=2, var_1_9=-619] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 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 21:22:51,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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_1214f24a-18f7-48dc-8656-e6993eb02e47/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 2c300368c8a1ee1c087c3833e062ccdb0be815c66eb6b18965a1287da2bc2657 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:54,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:54,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:22:54,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:54,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:54,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:54,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:54,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:54,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:54,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:54,746 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:54,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:54,748 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:54,750 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:54,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:54,751 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:54,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:54,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:54,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:54,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:54,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:54,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:54,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:54,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:54,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:22:54,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:22:54,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:22:54,758 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:54,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:54,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:54,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:54,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:22:54,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:54,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:54,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:54,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:54,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:54,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:54,762 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:22:54,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:54,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:54,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:54,764 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:54,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:54,765 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_1214f24a-18f7-48dc-8656-e6993eb02e47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c300368c8a1ee1c087c3833e062ccdb0be815c66eb6b18965a1287da2bc2657 [2023-11-23 21:22:55,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:55,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:55,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:55,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:55,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:55,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i [2023-11-23 21:22:58,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:58,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:58,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i [2023-11-23 21:22:58,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/0cac2944a/7bbbec1a16404dbfbddcaf21da54af84/FLAG28a48c54c [2023-11-23 21:22:58,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/data/0cac2944a/7bbbec1a16404dbfbddcaf21da54af84 [2023-11-23 21:22:58,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:58,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:58,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:58,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:58,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:58,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:58" (1/1) ... [2023-11-23 21:22:58,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c71cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:58, skipping insertion in model container [2023-11-23 21:22:58,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:58" (1/1) ... [2023-11-23 21:22:59,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:59,164 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_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i[917,930] [2023-11-23 21:22:59,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:59,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:59,259 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_1214f24a-18f7-48dc-8656-e6993eb02e47/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-61.i[917,930] [2023-11-23 21:22:59,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:59,313 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:59,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59 WrapperNode [2023-11-23 21:22:59,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:59,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:59,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:59,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:59,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,371 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-23 21:22:59,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:59,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:59,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:59,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:59,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:59,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:59,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:59,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:59,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (1/1) ... [2023-11-23 21:22:59,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:59,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:22:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:59,686 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:59,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:00,504 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:00,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:00,626 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:00,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:00 BoogieIcfgContainer [2023-11-23 21:23:00,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:00,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:00,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:00,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:00,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:58" (1/3) ... [2023-11-23 21:23:00,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ad9717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:00, skipping insertion in model container [2023-11-23 21:23:00,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:59" (2/3) ... [2023-11-23 21:23:00,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ad9717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:00, skipping insertion in model container [2023-11-23 21:23:00,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:00" (3/3) ... [2023-11-23 21:23:00,639 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-61.i [2023-11-23 21:23:00,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:00,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:00,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:00,760 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;@d2d97cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:00,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:23:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:23:00,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:00,792 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:00,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:00,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1472346003, now seen corresponding path program 1 times [2023-11-23 21:23:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:00,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591970693] [2023-11-23 21:23:00,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:00,821 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 21:23:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:00,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:00,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:01,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:01,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2023-11-23 21:23:01,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:01,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:01,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591970693] [2023-11-23 21:23:01,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591970693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:01,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:01,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598084071] [2023-11-23 21:23:01,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:01,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:01,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:01,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:01,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:01,500 INFO L87 Difference]: Start difference. First operand has 73 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 21:23:01,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:01,658 INFO L93 Difference]: Finished difference Result 143 states and 260 transitions. [2023-11-23 21:23:01,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:01,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 181 [2023-11-23 21:23:01,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:01,676 INFO L225 Difference]: With dead ends: 143 [2023-11-23 21:23:01,676 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 21:23:01,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 21:23:01,684 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:01,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:01,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 21:23:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-23 21:23:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-23 21:23:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-23 21:23:01,743 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 181 [2023-11-23 21:23:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:01,744 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-23 21:23:01,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-23 21:23:01,745 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-23 21:23:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 21:23:01,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:01,750 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:01,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:01,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:01,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:01,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:01,974 INFO L85 PathProgramCache]: Analyzing trace with hash 524733719, now seen corresponding path program 1 times [2023-11-23 21:23:01,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:01,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413698745] [2023-11-23 21:23:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:01,976 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 21:23:01,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:01,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1214f24a-18f7-48dc-8656-e6993eb02e47/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 21:23:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:02,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 21:23:02,405 INFO L285 TraceCheckSpWp]: Computing forward predicates...