./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:10,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:10,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:45:10,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:10,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:10,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:10,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:10,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:10,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:10,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:10,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:10,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:10,692 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:10,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:10,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:45:10,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:10,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:10,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:10,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:10,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:45:10,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:10,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:45:10,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:10,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:45:10,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:10,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:10,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:10,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:10,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:10,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:10,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:10,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:45:10,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:45:10,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:45:10,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:10,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:45:10,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:10,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:10,706 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:10,706 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 [2023-11-19 07:45:11,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:11,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:11,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:11,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:11,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:11,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:14,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:14,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:14,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:14,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/a2c2c638a/2d7ea15bfd594806bbda0820ca8b05f0/FLAG68bd873fd [2023-11-19 07:45:14,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/a2c2c638a/2d7ea15bfd594806bbda0820ca8b05f0 [2023-11-19 07:45:14,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:14,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:14,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:14,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:14,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:14,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:14" (1/1) ... [2023-11-19 07:45:14,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c94454d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:14, skipping insertion in model container [2023-11-19 07:45:14,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:14" (1/1) ... [2023-11-19 07:45:14,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:14,861 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-19 07:45:14,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:14,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:14,953 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-19 07:45:15,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:15,038 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:15,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15 WrapperNode [2023-11-19 07:45:15,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:15,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:15,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:15,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:15,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,125 INFO L138 Inliner]: procedures = 29, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 496 [2023-11-19 07:45:15,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:15,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:15,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:15,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:15,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:15,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:15,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:15,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:15,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (1/1) ... [2023-11-19 07:45:15,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:15,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:15,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:15,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:15,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:45:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:45:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:45:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:45:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 07:45:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:45:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:45:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:45:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:15,471 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:15,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:16,170 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:16,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:16,179 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:45:16,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:16 BoogieIcfgContainer [2023-11-19 07:45:16,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:16,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:16,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:16,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:16,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:14" (1/3) ... [2023-11-19 07:45:16,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ab4e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:16, skipping insertion in model container [2023-11-19 07:45:16,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:15" (2/3) ... [2023-11-19 07:45:16,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ab4e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:16, skipping insertion in model container [2023-11-19 07:45:16,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:16" (3/3) ... [2023-11-19 07:45:16,193 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:16,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:16,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:45:16,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:45:16,268 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=PETRI_NET, 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;@46123d46, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:45:16,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:45:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:45:16,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:16,291 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:16,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:16,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:16,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2032354352, now seen corresponding path program 1 times [2023-11-19 07:45:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:16,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574394792] [2023-11-19 07:45:16,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:16,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:16,594 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123007521] [2023-11-19 07:45:16,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:16,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:16,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:16,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:16,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:45:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:16,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:16,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 07:45:16,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:16,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:16,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574394792] [2023-11-19 07:45:16,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:16,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123007521] [2023-11-19 07:45:16,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123007521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:16,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:16,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:16,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011519038] [2023-11-19 07:45:16,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:17,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:17,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:17,053 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:17,158 INFO L93 Difference]: Finished difference Result 259 states and 404 transitions. [2023-11-19 07:45:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:17,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-11-19 07:45:17,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:17,171 INFO L225 Difference]: With dead ends: 259 [2023-11-19 07:45:17,172 INFO L226 Difference]: Without dead ends: 137 [2023-11-19 07:45:17,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:17,180 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 52 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:17,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 703 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:17,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-19 07:45:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2023-11-19 07:45:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.3786407766990292) internal successors, (142), 103 states have internal predecessors, (142), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2023-11-19 07:45:17,234 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 156 [2023-11-19 07:45:17,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:17,236 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2023-11-19 07:45:17,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2023-11-19 07:45:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:45:17,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:17,241 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:17,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:17,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:45:17,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:17,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -878176471, now seen corresponding path program 1 times [2023-11-19 07:45:17,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:17,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799522056] [2023-11-19 07:45:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:17,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:17,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137140684] [2023-11-19 07:45:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:17,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:45:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:17,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:45:17,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:18,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-19 07:45:18,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:18,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2023-11-19 07:45:18,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:18,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 12 [2023-11-19 07:45:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 07:45:18,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:18,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:18,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799522056] [2023-11-19 07:45:18,144 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:18,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137140684] [2023-11-19 07:45:18,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137140684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:18,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:18,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:45:18,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200684387] [2023-11-19 07:45:18,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:18,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:18,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:18,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:18,150 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:18,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:18,742 INFO L93 Difference]: Finished difference Result 331 states and 475 transitions. [2023-11-19 07:45:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-11-19 07:45:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:18,748 INFO L225 Difference]: With dead ends: 331 [2023-11-19 07:45:18,748 INFO L226 Difference]: Without dead ends: 210 [2023-11-19 07:45:18,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:45:18,751 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 137 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:18,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 628 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:45:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-19 07:45:18,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 135. [2023-11-19 07:45:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2023-11-19 07:45:18,773 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 156 [2023-11-19 07:45:18,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:18,774 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2023-11-19 07:45:18,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2023-11-19 07:45:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:45:18,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:18,779 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:18,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:19,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:19,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:19,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1567625191, now seen corresponding path program 1 times [2023-11-19 07:45:19,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:19,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375182910] [2023-11-19 07:45:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:19,073 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046921704] [2023-11-19 07:45:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:19,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:19,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:19,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:19,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:45:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:45:19,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:45:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:45:20,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:45:20,228 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:45:20,230 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:45:20,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:20,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:20,454 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:45:20,457 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:45:20,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 07:45:20,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 07:45:20,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 07:45:20,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 07:45:20,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 07:45:20,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 07:45:20,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-19 07:45:20,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 07:45:20,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 07:45:20,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 07:45:20,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 07:45:20,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-19 07:45:20,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 07:45:20,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 07:45:20,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 07:45:20,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 07:45:20,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 07:45:20,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 07:45:20,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 07:45:20,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 07:45:20,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 07:45:20,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 07:45:20,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 07:45:20,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 07:45:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 07:45:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 07:45:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 07:45:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 07:45:20,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 07:45:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 07:45:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 07:45:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 07:45:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 07:45:20,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 07:45:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 07:45:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 07:45:20,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 07:45:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 07:45:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 07:45:20,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 07:45:20,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 07:45:20,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 07:45:20,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 07:45:20,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 07:45:20,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 07:45:20,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 07:45:20,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 07:45:20,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 07:45:20,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 07:45:20,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 07:45:20,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 07:45:20,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 07:45:20,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 07:45:20,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 07:45:20,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 07:45:20,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 07:45:20,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 07:45:20,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 07:45:20,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-19 07:45:20,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 07:45:20,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 07:45:20,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 07:45:20,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-19 07:45:20,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 07:45:20,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 07:45:20,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 07:45:20,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 07:45:20,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 07:45:20,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 07:45:20,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-19 07:45:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-19 07:45:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 07:45:20,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 07:45:20,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 07:45:20,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 07:45:20,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-19 07:45:20,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated [2023-11-19 07:45:20,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-19 07:45:20,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-19 07:45:20,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-19 07:45:20,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated [2023-11-19 07:45:20,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 07:45:20,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 07:45:20,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 07:45:20,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated [2023-11-19 07:45:20,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 07:45:20,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 07:45:20,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 07:45:20,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-19 07:45:20,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-11-19 07:45:20,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-19 07:45:20,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:45:20,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-19 07:45:20,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 07:45:20,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-19 07:45:20,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-19 07:45:20,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-19 07:45:20,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-19 07:45:20,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-19 07:45:20,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 07:45:20,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-19 07:45:20,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated [2023-11-19 07:45:20,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-19 07:45:20,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated [2023-11-19 07:45:20,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated [2023-11-19 07:45:20,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated [2023-11-19 07:45:20,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated [2023-11-19 07:45:20,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated [2023-11-19 07:45:20,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:45:20 BoogieIcfgContainer [2023-11-19 07:45:20,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:45:20,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:45:20,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:45:20,596 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:45:20,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:16" (3/4) ... [2023-11-19 07:45:20,598 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:45:20,605 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:45:20,606 INFO L158 Benchmark]: Toolchain (without parser) took 5960.56ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 84.7MB in the beginning and 89.0MB in the end (delta: -4.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,607 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:20,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.39ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 67.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.04ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,609 INFO L158 Benchmark]: Boogie Preprocessor took 88.59ms. Allocated memory is still 130.0MB. Free memory was 63.3MB in the beginning and 59.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,610 INFO L158 Benchmark]: RCFGBuilder took 966.37ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 59.9MB in the beginning and 133.1MB in the end (delta: -73.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,610 INFO L158 Benchmark]: TraceAbstraction took 4408.32ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 89.0MB in the end (delta: 44.1MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-19 07:45:20,611 INFO L158 Benchmark]: Witness Printer took 9.26ms. Allocated memory is still 184.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:20,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.39ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 67.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.04ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.59ms. Allocated memory is still 130.0MB. Free memory was 63.3MB in the beginning and 59.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 966.37ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 59.9MB in the beginning and 133.1MB in the end (delta: -73.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4408.32ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 89.0MB in the end (delta: 44.1MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Witness Printer took 9.26ms. Allocated memory is still 184.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite116 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short142 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem117 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short164 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem118 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem113 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite128 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 120, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 255.5, 16, 1000000000000000.6, 500.5, 99999999999.5, 1, 127.25, 4.8, 0.4, 0, 256, 25, -5, 2, -50 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] FCALL updateLastVariables() [L128] CALL updateVariables() [L85] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L89] EXPR WrapperStruct00.var_1_4 [L89] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_4 [L89] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_5 [L91] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_6 [L93] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L93] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR (WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L98] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_9 [L100] EXPR WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_12 = __VERIFIER_nondet_long() [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_13 = __VERIFIER_nondet_long() [L107] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] WrapperStruct00.var_1_15 = __VERIFIER_nondet_short() [L110] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] WrapperStruct00.var_1_16 = __VERIFIER_nondet_long() [L114] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] RET updateVariables() [L129] CALL step() [L60] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); [L61] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8] [L61] COND TRUE (((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > stepLocal_0 [L62] EXPR WrapperStruct00.var_1_4 [L62] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8] [L62] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) [L62] EXPR WrapperStruct00.var_1_4 [L62] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8] [L62] EXPR WrapperStruct00.var_1_6 [L62] WrapperStruct00.var_1_1 = (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6) [L68] EXPR WrapperStruct00.var_1_5 [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8] [L68] COND FALSE !((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) [L71] EXPR WrapperStruct00.var_1_13 [L71] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_13 [L73] EXPR WrapperStruct00.var_1_12 [L73] EXPR WrapperStruct00.var_1_15 [L73] signed long int stepLocal_1 = WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15; [L74] EXPR WrapperStruct00.var_1_9 [L74] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=8, stepLocal_1=24] [L74] COND TRUE WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4 [L75] EXPR WrapperStruct00.var_1_13 [L75] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_13 [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1) [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_4 [L120] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) [L120] EXPR WrapperStruct00.var_1_4 [L120] EXPR ((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR WrapperStruct00.var_1_6 [L120] EXPR ((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR (((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] EXPR ((((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_13)) : (((WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15) != WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_14 == ((signed long int) ((((((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) > (WrapperStruct00.var_1_13)) ? (((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)))) VAL [WrapperStruct00={4:0}, isInitial=1] [L120-L121] return ((((((((200) < (128)) ? (200) : (128))) - WrapperStruct00.var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_4) < (WrapperStruct00.var_1_5)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_5))) - WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_7 ? (WrapperStruct00.var_1_1 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_9)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_9))) + WrapperStruct00.var_1_10))) : 1)) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) == WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_11 == ((signed long int) (((((WrapperStruct00.var_1_2) < (WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_2) : (WrapperStruct00.var_1_12))) - WrapperStruct00.var_1_13))) : (WrapperStruct00.var_1_11 == ((signed long int) WrapperStruct00.var_1_13)))) && ((WrapperStruct00.var_1_9 == WrapperStruct00.var_1_4) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_13)) : (((WrapperStruct00.var_1_12 % WrapperStruct00.var_1_15) != WrapperStruct00.var_1_13) ? (WrapperStruct00.var_1_14 == ((signed long int) ((((((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) > (WrapperStruct00.var_1_13)) ? (((WrapperStruct00.var_1_15 + WrapperStruct00.var_1_2) + WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)))) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 1331 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 986 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 345 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 88 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 6 NumberOfNonLiveVariables, 959 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 [2023-11-19 07:45:20,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:23,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:23,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:45:23,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:23,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:23,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:23,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:23,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:23,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:23,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:23,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:23,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:23,531 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:23,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:23,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:45:23,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:23,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:23,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:23,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:45:23,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:23,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:45:23,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:45:23,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:45:23,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:45:23,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:23,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:45:23,538 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:23,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:23,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:23,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:23,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:23,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:23,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:23,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:45:23,542 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:45:23,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:45:23,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:23,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:45:23,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:23,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:23,544 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:45:23,545 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:23,545 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0987a1fc3d0eb59d453fd697f85e5129ed09f2056b05af2093f19278b7a9eac6 [2023-11-19 07:45:23,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:23,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:23,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:23,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:23,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:23,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:27,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:27,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:27,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:27,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/bd6645bd5/8a71d25d29fd4e0ab402e519250e2051/FLAGd61b214f6 [2023-11-19 07:45:27,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/data/bd6645bd5/8a71d25d29fd4e0ab402e519250e2051 [2023-11-19 07:45:27,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:27,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:27,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:27,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:27,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:27,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:27" (1/1) ... [2023-11-19 07:45:27,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f565ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:27, skipping insertion in model container [2023-11-19 07:45:27,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:27" (1/1) ... [2023-11-19 07:45:27,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:27,736 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-19 07:45:27,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:27,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:27,901 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_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-99.i[916,929] [2023-11-19 07:45:27,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:28,016 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:28,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28 WrapperNode [2023-11-19 07:45:28,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:28,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:28,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:28,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:28,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,122 INFO L138 Inliner]: procedures = 36, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 492 [2023-11-19 07:45:28,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:28,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:28,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:28,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:28,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:28,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:28,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:28,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:28,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (1/1) ... [2023-11-19 07:45:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:28,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:28,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:45:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 07:45:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:45:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:45:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 07:45:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:45:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 07:45:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 07:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 07:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:45:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 07:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:45:28,495 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:28,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:29,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:29,885 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:29,885 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:45:29,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:29 BoogieIcfgContainer [2023-11-19 07:45:29,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:29,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:29,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:29,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:29,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:27" (1/3) ... [2023-11-19 07:45:29,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b55c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:29, skipping insertion in model container [2023-11-19 07:45:29,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:28" (2/3) ... [2023-11-19 07:45:29,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b55c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:29, skipping insertion in model container [2023-11-19 07:45:29,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:29" (3/3) ... [2023-11-19 07:45:29,904 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-99.i [2023-11-19 07:45:29,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:29,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:45:29,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:45:29,995 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=PETRI_NET, 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;@1907e0fe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:45:29,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:45:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:45:30,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:30,023 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:30,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:30,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:30,031 INFO L85 PathProgramCache]: Analyzing trace with hash 860017853, now seen corresponding path program 1 times [2023-11-19 07:45:30,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:30,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170805879] [2023-11-19 07:45:30,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:30,052 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 [2023-11-19 07:45:30,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:30,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:30,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:30,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:45:30,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 07:45:30,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:30,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:30,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170805879] [2023-11-19 07:45:30,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170805879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:30,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:30,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:30,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097089332] [2023-11-19 07:45:30,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:30,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:45:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:30,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:45:30,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:45:30,732 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:30,785 INFO L93 Difference]: Finished difference Result 243 states and 381 transitions. [2023-11-19 07:45:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:45:30,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2023-11-19 07:45:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:30,797 INFO L225 Difference]: With dead ends: 243 [2023-11-19 07:45:30,798 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 07:45:30,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:45:30,811 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:30,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 07:45:30,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-19 07:45:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-11-19 07:45:30,871 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 156 [2023-11-19 07:45:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:30,872 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-11-19 07:45:30,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-11-19 07:45:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:45:30,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:30,877 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:30,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 07:45:31,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:31,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:31,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:31,088 INFO L85 PathProgramCache]: Analyzing trace with hash -853070961, now seen corresponding path program 1 times [2023-11-19 07:45:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383292880] [2023-11-19 07:45:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:31,090 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 [2023-11-19 07:45:31,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:31,091 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:31,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:31,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:45:31,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-19 07:45:31,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:31,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:31,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383292880] [2023-11-19 07:45:31,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383292880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:31,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:31,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:45:31,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536817452] [2023-11-19 07:45:31,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:31,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:31,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:31,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:31,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:31,715 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:31,836 INFO L93 Difference]: Finished difference Result 245 states and 360 transitions. [2023-11-19 07:45:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:45:31,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2023-11-19 07:45:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:31,844 INFO L225 Difference]: With dead ends: 245 [2023-11-19 07:45:31,845 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 07:45:31,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:31,849 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 10 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:31,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 516 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:31,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 07:45:31,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2023-11-19 07:45:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2023-11-19 07:45:31,869 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 156 [2023-11-19 07:45:31,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:31,870 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2023-11-19 07:45:31,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2023-11-19 07:45:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:45:31,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:31,875 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:31,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:32,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:32,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:32,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash 934798861, now seen corresponding path program 1 times [2023-11-19 07:45:32,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:32,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899897430] [2023-11-19 07:45:32,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:32,092 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 [2023-11-19 07:45:32,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:32,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:32,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:45:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:32,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:45:32,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:32,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-19 07:45:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-19 07:45:32,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:32,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:32,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899897430] [2023-11-19 07:45:32,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899897430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:32,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365575751] [2023-11-19 07:45:32,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:32,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:32,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:32,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:32,870 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:34,805 INFO L93 Difference]: Finished difference Result 247 states and 361 transitions. [2023-11-19 07:45:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:34,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 156 [2023-11-19 07:45:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:34,818 INFO L225 Difference]: With dead ends: 247 [2023-11-19 07:45:34,818 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 07:45:34,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:45:34,821 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 182 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:34,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 472 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 07:45:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 07:45:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 121. [2023-11-19 07:45:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2023-11-19 07:45:34,837 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 156 [2023-11-19 07:45:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:34,838 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2023-11-19 07:45:34,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2023-11-19 07:45:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 07:45:34,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:34,843 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:34,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0 [2023-11-19 07:45:35,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:35,056 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:35,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:35,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1214543061, now seen corresponding path program 1 times [2023-11-19 07:45:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516281985] [2023-11-19 07:45:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:35,059 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 [2023-11-19 07:45:35,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:35,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:35,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:35,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:45:35,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:35,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2023-11-19 07:45:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 8 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-19 07:45:35,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:36,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2023-11-19 07:45:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 07:45:36,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516281985] [2023-11-19 07:45:36,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516281985] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:36,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:36,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-19 07:45:36,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579221937] [2023-11-19 07:45:36,109 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:36,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:45:36,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:36,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:45:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:45:36,113 INFO L87 Difference]: Start difference. First operand 121 states and 176 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-19 07:45:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:38,975 INFO L93 Difference]: Finished difference Result 252 states and 364 transitions. [2023-11-19 07:45:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:45:38,977 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 158 [2023-11-19 07:45:38,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:38,979 INFO L225 Difference]: With dead ends: 252 [2023-11-19 07:45:38,979 INFO L226 Difference]: Without dead ends: 123 [2023-11-19 07:45:38,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:45:38,982 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 173 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:38,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 620 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-19 07:45:38,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-19 07:45:38,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2023-11-19 07:45:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.36) internal successors, (136), 100 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2023-11-19 07:45:38,998 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 158 [2023-11-19 07:45:38,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:38,999 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2023-11-19 07:45:39,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (37), 3 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2023-11-19 07:45:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2023-11-19 07:45:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 07:45:39,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:39,004 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:39,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:39,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:39,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:39,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:39,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1370523603, now seen corresponding path program 1 times [2023-11-19 07:45:39,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:39,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43651280] [2023-11-19 07:45:39,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:39,220 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 [2023-11-19 07:45:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:39,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:39,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 (6)] Waiting until timeout for monitored process [2023-11-19 07:45:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:39,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:45:39,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:40,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-19 07:45:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2023-11-19 07:45:40,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:40,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:40,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43651280] [2023-11-19 07:45:40,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43651280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:40,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:40,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:40,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061654332] [2023-11-19 07:45:40,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:40,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:40,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:40,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:40,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:40,047 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:41,917 INFO L93 Difference]: Finished difference Result 245 states and 354 transitions. [2023-11-19 07:45:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:41,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2023-11-19 07:45:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:41,920 INFO L225 Difference]: With dead ends: 245 [2023-11-19 07:45:41,920 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 07:45:41,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:45:41,922 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 164 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:41,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 465 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 07:45:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 07:45:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 121. [2023-11-19 07:45:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2023-11-19 07:45:41,936 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 158 [2023-11-19 07:45:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:41,937 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2023-11-19 07:45:41,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2023-11-19 07:45:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 07:45:41,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:41,941 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:41,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:42,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:42,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:42,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:42,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1782468019, now seen corresponding path program 1 times [2023-11-19 07:45:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:42,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722326489] [2023-11-19 07:45:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:42,155 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 [2023-11-19 07:45:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:42,157 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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)] Waiting until timeout for monitored process [2023-11-19 07:45:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:42,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:45:42,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:42,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-19 07:45:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-19 07:45:42,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:42,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:42,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722326489] [2023-11-19 07:45:42,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722326489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:42,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:42,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:42,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704601594] [2023-11-19 07:45:42,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:42,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:42,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:42,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:42,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:42,859 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:44,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:44,377 INFO L93 Difference]: Finished difference Result 245 states and 352 transitions. [2023-11-19 07:45:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:44,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2023-11-19 07:45:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:44,380 INFO L225 Difference]: With dead ends: 245 [2023-11-19 07:45:44,381 INFO L226 Difference]: Without dead ends: 127 [2023-11-19 07:45:44,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:45:44,382 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 155 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:44,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 460 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 07:45:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-19 07:45:44,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 121. [2023-11-19 07:45:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.34) internal successors, (134), 100 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2023-11-19 07:45:44,395 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 160 [2023-11-19 07:45:44,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:44,396 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2023-11-19 07:45:44,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:45:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2023-11-19 07:45:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 07:45:44,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:44,400 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:44,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:44,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:44,611 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:44,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:44,612 INFO L85 PathProgramCache]: Analyzing trace with hash -592497133, now seen corresponding path program 1 times [2023-11-19 07:45:44,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:44,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137927219] [2023-11-19 07:45:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:44,613 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 [2023-11-19 07:45:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:44,614 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:45,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 07:45:45,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:45,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-19 07:45:45,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-19 07:45:45,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-19 07:45:45,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2023-11-19 07:45:45,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2023-11-19 07:45:46,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:46,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 07:45:46,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:46,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 07:45:46,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:46,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 07:45:46,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:46,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 07:45:47,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:47,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 07:45:47,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:47,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37 [2023-11-19 07:45:47,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:47,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2023-11-19 07:45:48,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:48,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 67 [2023-11-19 07:45:48,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:48,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2023-11-19 07:45:48,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:48,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 20 [2023-11-19 07:45:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 436 proven. 51 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-19 07:45:49,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 07:45:49,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:49,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137927219] [2023-11-19 07:45:49,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137927219] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:45:49,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:45:49,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-11-19 07:45:49,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715460858] [2023-11-19 07:45:49,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:49,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:49,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:49,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:49,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:45:49,331 INFO L87 Difference]: Start difference. First operand 121 states and 172 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:52,008 INFO L93 Difference]: Finished difference Result 291 states and 415 transitions. [2023-11-19 07:45:52,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:52,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-19 07:45:52,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:52,012 INFO L225 Difference]: With dead ends: 291 [2023-11-19 07:45:52,012 INFO L226 Difference]: Without dead ends: 173 [2023-11-19 07:45:52,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:45:52,014 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 101 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:52,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 466 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 07:45:52,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-19 07:45:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 132. [2023-11-19 07:45:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2023-11-19 07:45:52,027 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 162 [2023-11-19 07:45:52,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:52,028 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2023-11-19 07:45:52,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2023-11-19 07:45:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 07:45:52,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:52,031 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:52,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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)] Ended with exit code 0 [2023-11-19 07:45:52,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:52,255 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:52,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1976933606, now seen corresponding path program 1 times [2023-11-19 07:45:52,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411396785] [2023-11-19 07:45:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:52,257 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 [2023-11-19 07:45:52,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:52,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:52,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 (9)] Waiting until timeout for monitored process [2023-11-19 07:45:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:52,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:52,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 07:45:52,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:52,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:52,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411396785] [2023-11-19 07:45:52,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411396785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:52,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:52,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:52,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105917566] [2023-11-19 07:45:52,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:52,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:52,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:45:52,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:52,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:52,744 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:53,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:53,044 INFO L93 Difference]: Finished difference Result 277 states and 396 transitions. [2023-11-19 07:45:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2023-11-19 07:45:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:53,047 INFO L225 Difference]: With dead ends: 277 [2023-11-19 07:45:53,047 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 07:45:53,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:53,049 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 52 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:53,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 683 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:45:53,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 07:45:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 135. [2023-11-19 07:45:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:45:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 191 transitions. [2023-11-19 07:45:53,080 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 191 transitions. Word has length 162 [2023-11-19 07:45:53,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:53,082 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 191 transitions. [2023-11-19 07:45:53,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 07:45:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 191 transitions. [2023-11-19 07:45:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 07:45:53,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:53,087 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:53,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:53,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:45:53,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:53,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:53,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1833750085, now seen corresponding path program 1 times [2023-11-19 07:45:53,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:45:53,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869002225] [2023-11-19 07:45:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:53,302 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 [2023-11-19 07:45:53,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:45:53,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:45:53,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/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 (10)] Waiting until timeout for monitored process [2023-11-19 07:45:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:54,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 07:45:54,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:54,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 07:45:54,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-19 07:45:54,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2023-11-19 07:45:54,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 31 [2023-11-19 07:45:55,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:55,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 34 [2023-11-19 07:45:55,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 34 [2023-11-19 07:45:56,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:56,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2023-11-19 07:45:56,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:56,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2023-11-19 07:45:56,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:56,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2023-11-19 07:45:57,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:57,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2023-11-19 07:45:57,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:57,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 119 treesize of output 67 [2023-11-19 07:45:58,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:58,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 67 [2023-11-19 07:45:58,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:58,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 119 treesize of output 85 [2023-11-19 07:45:58,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:45:58,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 169 treesize of output 61 [2023-11-19 07:45:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 75 proven. 367 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-19 07:45:58,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:59,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:45:59,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869002225] [2023-11-19 07:45:59,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869002225] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:45:59,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [147156877] [2023-11-19 07:45:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:59,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 07:45:59,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 07:45:59,547 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 07:45:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4d8b0b-fcb3-49b6-bfa0-89acd7f653c3/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 07:46:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 07:46:03,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:03,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-19 07:46:03,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1