./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 f4a7b1082e4333573d8474d420161db05f750e6258474388ff1e21304d367b67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:58,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:58,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:22:58,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:58,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:58,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:58,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:58,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:58,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:58,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:58,169 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:58,169 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:58,170 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:58,170 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:58,171 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:58,172 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:58,172 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:58,173 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:58,173 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:58,174 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:58,174 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:58,175 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:58,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:58,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:58,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:58,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:58,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:58,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:58,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:58,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:58,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:58,180 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:58,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:58,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:58,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:58,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:58,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:58,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:58,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:58,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:58,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:58,185 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:58,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:58,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:58,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:58,186 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:58,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:58,187 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a7b1082e4333573d8474d420161db05f750e6258474388ff1e21304d367b67 [2023-11-23 21:22:58,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:58,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:58,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:58,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:58,461 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:58,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:01,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:02,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:02,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:02,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/f66b1f7c1/2acf5295a9f74e20bee6467db80e192a/FLAGb118ff490 [2023-11-23 21:23:02,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/f66b1f7c1/2acf5295a9f74e20bee6467db80e192a [2023-11-23 21:23:02,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:02,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:02,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:02,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:02,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:02,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c5a953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02, skipping insertion in model container [2023-11-23 21:23:02,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:02,452 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i[919,932] [2023-11-23 21:23:02,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:02,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:02,585 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i[919,932] [2023-11-23 21:23:02,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:02,669 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:02,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02 WrapperNode [2023-11-23 21:23:02,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:02,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:02,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:02,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:02,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,824 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2023-11-23 21:23:02,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:02,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:02,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:02,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:02,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:02,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:02,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:02,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:02,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (1/1) ... [2023-11-23 21:23:02,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:02,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:02,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:03,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:03,215 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:03,218 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:04,014 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:04,731 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:04,731 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:04,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:04 BoogieIcfgContainer [2023-11-23 21:23:04,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:04,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:04,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:04,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:04,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:02" (1/3) ... [2023-11-23 21:23:04,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58720deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:04, skipping insertion in model container [2023-11-23 21:23:04,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:02" (2/3) ... [2023-11-23 21:23:04,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58720deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:04, skipping insertion in model container [2023-11-23 21:23:04,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:04" (3/3) ... [2023-11-23 21:23:04,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:04,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:04,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:04,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:04,875 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;@78b145b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:04,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:23:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 21:23:04,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:04,900 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:04,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:04,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:04,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1883124055, now seen corresponding path program 1 times [2023-11-23 21:23:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:04,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933944891] [2023-11-23 21:23:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:04,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:05,215 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:23:05,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831546841] [2023-11-23 21:23:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:05,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:05,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:05,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:05,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:06,337 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:06,340 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:06,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:06,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:06,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:23:06,561 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:23:06,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:06,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:06 BoogieIcfgContainer [2023-11-23 21:23:06,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:06,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:06,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:06,720 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:06,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:04" (3/4) ... [2023-11-23 21:23:06,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:06,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:06,727 INFO L158 Benchmark]: Toolchain (without parser) took 4559.82ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 117.1MB in the beginning and 94.4MB in the end (delta: 22.7MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,728 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:06,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.19ms. Allocated memory is still 146.8MB. Free memory was 117.0MB in the beginning and 101.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.66ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 94.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,732 INFO L158 Benchmark]: Boogie Preprocessor took 111.07ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 91.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,734 INFO L158 Benchmark]: RCFGBuilder took 1796.33ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 143.7MB in the end (delta: -52.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,736 INFO L158 Benchmark]: TraceAbstraction took 1979.17ms. Allocated memory is still 186.6MB. Free memory was 143.7MB in the beginning and 95.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:06,740 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 186.6MB. Free memory was 95.4MB in the beginning and 94.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:06,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 146.8MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.19ms. Allocated memory is still 146.8MB. Free memory was 117.0MB in the beginning and 101.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.66ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 94.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.07ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 91.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1796.33ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 143.7MB in the end (delta: -52.5MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1979.17ms. Allocated memory is still 186.6MB. Free memory was 143.7MB in the beginning and 95.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 186.6MB. Free memory was 95.4MB in the beginning and 94.4MB in the end (delta: 1.0MB). 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 79, overapproximation of bitwiseOr at line 70, overapproximation of bitwiseAnd at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; [L39] unsigned char var_1_24 = 128; [L40] signed short int var_1_30 = -256; [L41] signed short int var_1_31 = 2; [L42] signed short int var_1_34 = -2; [L43] signed short int var_1_36 = -50; [L44] unsigned char var_1_37 = 4; [L45] unsigned char var_1_38 = 64; [L46] float var_1_40 = 0.8; [L47] signed short int var_1_44 = 1; [L48] signed long int var_1_45 = 4; [L49] float var_1_46 = 1000000000000.375; [L160] isInitial = 1 [L161] FCALL initially() [L162] COND TRUE 1 [L163] FCALL updateLastVariables() [L164] CALL updateVariables() [L120] var_1_2 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L122] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1230640054, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L123] var_1_3 = __VERIFIER_nondet_long() [L124] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L125] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L126] var_1_6 = __VERIFIER_nondet_long() [L127] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=200, var_1_9=16] [L128] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=200, var_1_9=16] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=16] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=16] [L131] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=16] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=16] [L132] var_1_9 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190] [L134] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L135] var_1_10 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L137] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=10, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L138] var_1_11 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=10, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L141] var_1_17 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L143] var_1_18 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L145] var_1_20 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=64, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L149] var_1_38 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_38 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_38 >= 63) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=1, var_1_22=0, var_1_23=16, var_1_24=128, var_1_2=0, var_1_30=-256, var_1_31=2, var_1_34=-2, var_1_36=-50, var_1_37=4, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=8000000000003/8, var_1_6=1073741925, var_1_7=64, var_1_8=190, var_1_9=0] [L164] RET updateVariables() [L165] CALL step() [L53] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L54] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) [L55] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L62] var_1_23 = var_1_20 [L64] COND FALSE !(\read(var_1_2)) [L67] var_1_1 = (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7) [L69] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); [L70] EXPR var_1_7 ^ var_1_10 [L70] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L71] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) [L76] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L77] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) [L79] COND FALSE !(((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) [L82] COND TRUE (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) >= (var_1_23 % var_1_3)) || var_1_2 [L83] var_1_24 = ((((var_1_8 - 8) < 0 ) ? -(var_1_8 - 8) : (var_1_8 - 8))) [L87] var_1_30 = var_1_8 [L88] COND FALSE !(((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) < var_1_18) [L93] COND TRUE 1 >= var_1_20 [L94] EXPR var_1_20 & var_1_11 [L94] EXPR (var_1_20 & var_1_11) & var_1_1 [L94] COND TRUE var_1_8 > ((var_1_20 & var_1_11) & var_1_1) [L95] var_1_34 = var_1_7 [L98] EXPR var_1_7 & var_1_10 [L98] COND FALSE !(var_1_8 <= (var_1_7 & var_1_10)) [L101] COND TRUE var_1_3 >= ((((32) > (var_1_8)) ? (32) : (var_1_8))) [L102] var_1_37 = (var_1_8 - (var_1_38 - var_1_11)) [L106] COND FALSE !(\read(var_1_2)) [L109] COND FALSE !(var_1_17 != var_1_16) [L114] COND FALSE !(\read(var_1_2)) [L117] var_1_46 = var_1_17 [L165] RET step() [L166] CALL, EXPR property() [L156] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) [L156-L157] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L166] RET, EXPR property() [L166] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_17=2, var_1_18=0, var_1_19=259/4, var_1_1=1073741721, var_1_20=1, var_1_22=10, var_1_23=1, var_1_24=182, var_1_2=0, var_1_30=190, var_1_31=2, var_1_34=102, var_1_36=-50, var_1_37=65, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=2, var_1_6=1073741925, var_1_7=102, var_1_8=190, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=77/5, var_1_17=2, var_1_18=0, var_1_19=259/4, var_1_1=1073741721, var_1_20=1, var_1_22=10, var_1_23=1, var_1_24=182, var_1_2=0, var_1_30=190, var_1_31=2, var_1_34=102, var_1_36=-50, var_1_37=65, var_1_38=127, var_1_3=1073741822, var_1_40=4/5, var_1_44=1, var_1_45=4, var_1_46=2, var_1_6=1073741925, var_1_7=102, var_1_8=190, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 21, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 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 21:23:06,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 f4a7b1082e4333573d8474d420161db05f750e6258474388ff1e21304d367b67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:10,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:10,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:23:10,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:10,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:10,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:10,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:10,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:10,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:10,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:10,248 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:10,249 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:10,250 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:10,250 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:10,255 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:10,256 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:10,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:10,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:10,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:10,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:10,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:10,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:10,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:10,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:10,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:10,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:10,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:10,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:10,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:10,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:10,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:10,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:10,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:10,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:10,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:10,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:10,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:10,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:10,279 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:10,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:10,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:10,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:10,282 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:10,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:10,283 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a7b1082e4333573d8474d420161db05f750e6258474388ff1e21304d367b67 [2023-11-23 21:23:10,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:10,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:10,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:10,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:10,861 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:10,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:14,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:14,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:14,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:14,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/a8ce1a246/b0e7ddc10c1d478696ff0b777e5514c0/FLAGb05593aa0 [2023-11-23 21:23:14,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/data/a8ce1a246/b0e7ddc10c1d478696ff0b777e5514c0 [2023-11-23 21:23:14,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:14,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:14,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:14,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:14,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:14,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:14" (1/1) ... [2023-11-23 21:23:14,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed9daa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:14, skipping insertion in model container [2023-11-23 21:23:14,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:14" (1/1) ... [2023-11-23 21:23:15,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:15,248 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i[919,932] [2023-11-23 21:23:15,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:15,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:15,429 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_db54f90b-93de-43e5-a68c-aa54e806d4a4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i[919,932] [2023-11-23 21:23:15,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:15,516 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:15,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15 WrapperNode [2023-11-23 21:23:15,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:15,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:15,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:15,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:15,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,620 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-23 21:23:15,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:15,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:15,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:15,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:15,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:15,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:15,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:15,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:15,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (1/1) ... [2023-11-23 21:23:15,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:15,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:15,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:15,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:16,078 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:16,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:19,322 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:19,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:19,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:19,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:19 BoogieIcfgContainer [2023-11-23 21:23:19,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:19,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:19,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:19,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:19,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:14" (1/3) ... [2023-11-23 21:23:19,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c69ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:19, skipping insertion in model container [2023-11-23 21:23:19,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:15" (2/3) ... [2023-11-23 21:23:19,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c69ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:19, skipping insertion in model container [2023-11-23 21:23:19,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:19" (3/3) ... [2023-11-23 21:23:19,483 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-83.i [2023-11-23 21:23:19,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:19,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:19,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:19,588 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;@5ed70236, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:19,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 41 states have (on average 1.5609756097560976) internal successors, (64), 42 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:23:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:23:19,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:19,621 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:19,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:19,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:19,629 INFO L85 PathProgramCache]: Analyzing trace with hash 305511143, now seen corresponding path program 1 times [2023-11-23 21:23:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:19,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546880297] [2023-11-23 21:23:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:19,656 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 21:23:19,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:19,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:19,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:20,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-23 21:23:20,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:20,427 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:20,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546880297] [2023-11-23 21:23:20,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546880297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:20,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:20,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:20,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019893768] [2023-11-23 21:23:20,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:20,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:20,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:20,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:20,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:20,494 INFO L87 Difference]: Start difference. First operand has 65 states, 41 states have (on average 1.5609756097560976) internal successors, (64), 42 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:23:21,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:21,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:21,854 INFO L93 Difference]: Finished difference Result 127 states and 231 transitions. [2023-11-23 21:23:21,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:21,886 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2023-11-23 21:23:21,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:21,903 INFO L225 Difference]: With dead ends: 127 [2023-11-23 21:23:21,904 INFO L226 Difference]: Without dead ends: 63 [2023-11-23 21:23:21,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 21:23:21,916 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:21,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:23:21,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-23 21:23:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-23 21:23:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.475) internal successors, (59), 40 states have internal predecessors, (59), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:23:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 101 transitions. [2023-11-23 21:23:22,012 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 101 transitions. Word has length 136 [2023-11-23 21:23:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:22,014 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 101 transitions. [2023-11-23 21:23:22,015 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:23:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2023-11-23 21:23:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:23:22,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:22,036 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:22,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:22,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:22,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:22,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:22,256 INFO L85 PathProgramCache]: Analyzing trace with hash 892332077, now seen corresponding path program 1 times [2023-11-23 21:23:22,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:22,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947059739] [2023-11-23 21:23:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:22,261 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 21:23:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:22,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:22,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:23,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:23:23,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 536 proven. 66 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-23 21:23:24,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:24,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947059739] [2023-11-23 21:23:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947059739] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1002897479] [2023-11-23 21:23:24,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:24,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:24,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:23:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:25,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:23:25,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-23 21:23:25,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:25,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1002897479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:25,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:23:25,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-23 21:23:25,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755219821] [2023-11-23 21:23:25,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:25,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:23:25,506 INFO L87 Difference]: Start difference. First operand 63 states and 101 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-23 21:23:27,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:27,192 INFO L93 Difference]: Finished difference Result 148 states and 239 transitions. [2023-11-23 21:23:27,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:27,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2023-11-23 21:23:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:27,227 INFO L225 Difference]: With dead ends: 148 [2023-11-23 21:23:27,227 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:23:27,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:23:27,230 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 27 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:27,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 179 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 21:23:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:23:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2023-11-23 21:23:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:23:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 130 transitions. [2023-11-23 21:23:27,252 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 130 transitions. Word has length 136 [2023-11-23 21:23:27,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:27,254 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 130 transitions. [2023-11-23 21:23:27,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-23 21:23:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 130 transitions. [2023-11-23 21:23:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:23:27,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:27,258 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:27,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:27,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:27,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:27,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:27,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:27,674 INFO L85 PathProgramCache]: Analyzing trace with hash 949649961, now seen corresponding path program 1 times [2023-11-23 21:23:27,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:27,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711755054] [2023-11-23 21:23:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:27,675 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 21:23:27,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:27,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:27,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:23:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:28,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:23:28,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 536 proven. 66 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-23 21:23:29,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:30,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711755054] [2023-11-23 21:23:30,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711755054] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1835445687] [2023-11-23 21:23:30,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:23:30,136 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:23:30,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:23:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:31,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:23:31,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 536 proven. 66 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-23 21:23:33,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:33,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1835445687] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:33,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941363466] [2023-11-23 21:23:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:33,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:33,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:33,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:23:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:33,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:23:33,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 536 proven. 66 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-23 21:23:34,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:35,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941363466] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:35,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:35,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-11-23 21:23:35,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659432300] [2023-11-23 21:23:35,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:23:35,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:23:35,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:35,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:23:35,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:23:35,012 INFO L87 Difference]: Start difference. First operand 80 states and 130 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:23:38,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:38,319 INFO L93 Difference]: Finished difference Result 171 states and 269 transitions. [2023-11-23 21:23:38,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:23:38,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 136 [2023-11-23 21:23:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:38,349 INFO L225 Difference]: With dead ends: 171 [2023-11-23 21:23:38,349 INFO L226 Difference]: Without dead ends: 92 [2023-11-23 21:23:38,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:23:38,354 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:38,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 206 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-23 21:23:38,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-23 21:23:38,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2023-11-23 21:23:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 63 states have internal predecessors, (92), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-23 21:23:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2023-11-23 21:23:38,372 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 136 [2023-11-23 21:23:38,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:38,374 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2023-11-23 21:23:38,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-23 21:23:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2023-11-23 21:23:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:23:38,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:38,377 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:23:38,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-23 21:23:38,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:38,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-23 21:23:38,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:38,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:38,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:38,987 INFO L85 PathProgramCache]: Analyzing trace with hash 140303335, now seen corresponding path program 1 times [2023-11-23 21:23:38,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:38,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891241457] [2023-11-23 21:23:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:38,989 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 21:23:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:38,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 21:23:38,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db54f90b-93de-43e5-a68c-aa54e806d4a4/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 (8)] Waiting until timeout for monitored process [2023-11-23 21:23:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:39,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 21:23:39,636 INFO L285 TraceCheckSpWp]: Computing forward predicates...