./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:50,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:50,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:10:50,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:50,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:50,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:50,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:50,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:50,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:50,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:50,957 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:50,957 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:50,958 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:50,959 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:50,959 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:50,960 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:50,961 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:50,961 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:50,962 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:50,963 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:50,963 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:50,964 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:50,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:50,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:50,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:50,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:50,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:50,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:50,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:50,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:50,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:50,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:50,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:50,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:50,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:50,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:50,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:50,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:50,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:50,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:50,974 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:50,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:50,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:50,975 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:50,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:50,976 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-12 00:10:51,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:51,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:51,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:51,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:51,299 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:51,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:10:54,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:54,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:54,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:10:54,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/84c2d64c6/b9b7d52666d94b088528265bdec15950/FLAG87d2787a3 [2023-11-12 00:10:55,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/84c2d64c6/b9b7d52666d94b088528265bdec15950 [2023-11-12 00:10:55,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:55,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:55,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:55,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:55,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:55,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5cf7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55, skipping insertion in model container [2023-11-12 00:10:55,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:55,244 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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-12 00:10:55,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:55,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:55,390 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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-12 00:10:55,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:55,442 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:55,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55 WrapperNode [2023-11-12 00:10:55,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:55,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:55,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:55,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:55,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,533 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-12 00:10:55,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:55,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:55,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:55,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:55,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:55,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:55,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:55,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:55,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (1/1) ... [2023-11-12 00:10:55,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:55,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:55,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:55,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:55,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:55,846 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:55,849 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:56,448 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:56,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:56,800 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:56,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:56 BoogieIcfgContainer [2023-11-12 00:10:56,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:56,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:56,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:56,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:56,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:55" (1/3) ... [2023-11-12 00:10:56,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f2d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:56, skipping insertion in model container [2023-11-12 00:10:56,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:55" (2/3) ... [2023-11-12 00:10:56,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f2d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:56, skipping insertion in model container [2023-11-12 00:10:56,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:56" (3/3) ... [2023-11-12 00:10:56,823 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:10:56,845 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:56,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:56,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:56,923 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@236acae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:56,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:56,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:10:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 00:10:56,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:56,946 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:56,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:56,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:56,952 INFO L85 PathProgramCache]: Analyzing trace with hash 203937416, now seen corresponding path program 1 times [2023-11-12 00:10:56,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:56,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921944337] [2023-11-12 00:10:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:56,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:57,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:10:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:10:58,763 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:10:58,767 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:10:58,769 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:58,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:10:58,777 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:10:58,785 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:58,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:58 BoogieIcfgContainer [2023-11-12 00:10:58,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:58,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:58,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:58,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:58,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:56" (3/4) ... [2023-11-12 00:10:58,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:10:58,937 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:58,938 INFO L158 Benchmark]: Toolchain (without parser) took 3931.09ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 140.4MB in the beginning and 164.9MB in the end (delta: -24.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,939 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:58,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.80ms. Allocated memory is still 184.5MB. Free memory was 140.4MB in the beginning and 125.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.33ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 120.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,948 INFO L158 Benchmark]: Boogie Preprocessor took 88.50ms. Allocated memory is still 184.5MB. Free memory was 120.8MB in the beginning and 118.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,952 INFO L158 Benchmark]: RCFGBuilder took 1179.66ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 95.4MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,954 INFO L158 Benchmark]: TraceAbstraction took 2115.01ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 95.4MB in the beginning and 164.9MB in the end (delta: -69.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-12 00:10:58,955 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 222.3MB. Free memory is still 164.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:58,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.80ms. Allocated memory is still 184.5MB. Free memory was 140.4MB in the beginning and 125.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.33ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 120.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.50ms. Allocated memory is still 184.5MB. Free memory was 120.8MB in the beginning and 118.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1179.66ms. Allocated memory is still 184.5MB. Free memory was 118.4MB in the beginning and 95.4MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2115.01ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 95.4MB in the beginning and 164.9MB in the end (delta: -69.5MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 222.3MB. Free memory is still 164.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of bitwiseOr at line 54, overapproximation of shiftLeft at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] unsigned short int var_1_20 = 0; [L39] double var_1_21 = 9.15; [L40] double var_1_22 = 128.5; [L41] unsigned char var_1_23 = 1; [L42] double var_1_24 = 1.125; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_26 = 0; [L45] unsigned char var_1_27 = 1; [L46] unsigned char last_1_var_1_8 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_8 = var_1_8 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L113] var_1_6 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16, var_1_8=0, var_1_9=1] [L116] var_1_7 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L122] var_1_11 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L125] var_1_12 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L128] var_1_13 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L131] var_1_16 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L134] var_1_20 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L137] var_1_22 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L139] var_1_26 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L142] var_1_27 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=163844, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=0, var_1_9=1] [L158] RET updateVariables() [L159] CALL step() [L50] var_1_19 = var_1_20 [L51] var_1_21 = var_1_22 [L52] var_1_23 = 0 [L53] var_1_24 = var_1_22 [L54] EXPR 64 ^ var_1_19 [L54] COND FALSE !(var_1_20 != (64 ^ var_1_19)) [L61] var_1_25 = var_1_27 [L63] unsigned short int stepLocal_1 = var_1_6; [L64] unsigned char stepLocal_0 = last_1_var_1_8; [L65] COND FALSE !(last_1_var_1_8 && stepLocal_0) [L68] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1 [L69] var_1_1 = var_1_5 [L72] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L73] COND TRUE \read(var_1_8) [L74] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L77] COND FALSE !(stepLocal_4 >= var_1_14) [L80] var_1_17 = (var_1_6 + var_1_5) [L82] unsigned short int stepLocal_5 = var_1_5; [L83] COND TRUE stepLocal_5 == var_1_16 [L84] COND TRUE \read(var_1_8) [L85] var_1_18 = (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))) [L94] unsigned char stepLocal_3 = var_1_9; [L95] unsigned long int stepLocal_2 = var_1_17; [L96] COND FALSE !(stepLocal_2 < var_1_6) [L103] var_1_10 = var_1_13 [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150-L151] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=32765, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=32767, var_1_16=16383, var_1_17=49150, var_1_18=30393, var_1_19=65534, var_1_1=16383, var_1_20=65534, var_1_21=163844, var_1_22=163844, var_1_23=0, var_1_24=163844, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=32765, var_1_11=0, var_1_12=0, var_1_13=32765, var_1_14=32767, var_1_16=16383, var_1_17=49150, var_1_18=30393, var_1_19=65534, var_1_1=16383, var_1_20=65534, var_1_21=163844, var_1_22=163844, var_1_23=0, var_1_24=163844, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=49150, var_1_5=16383, var_1_6=32767, var_1_7=16383, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:10:59,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:11:01,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:11:02,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:11:02,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:11:02,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:11:02,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:11:02,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:11:02,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:11:02,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:11:02,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:11:02,109 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:11:02,109 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:11:02,110 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:11:02,112 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:11:02,112 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:11:02,113 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:11:02,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:11:02,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:11:02,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:11:02,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:11:02,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:11:02,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:11:02,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:11:02,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:11:02,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:11:02,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:11:02,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:11:02,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:11:02,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:11:02,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:11:02,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:11:02,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:11:02,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:11:02,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:02,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:11:02,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:11:02,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:11:02,123 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:11:02,124 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:02,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:11:02,125 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:11:02,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:11:02,125 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-12 00:11:02,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:11:02,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:11:02,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:11:02,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:11:02,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:11:02,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:11:05,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:11:06,313 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:11:06,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:11:06,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/12082e083/6c228420abb94a0480cf68f75ca0171a/FLAG417676d2c [2023-11-12 00:11:06,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/data/12082e083/6c228420abb94a0480cf68f75ca0171a [2023-11-12 00:11:06,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:11:06,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:11:06,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:06,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:11:06,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:11:06,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63edbf48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06, skipping insertion in model container [2023-11-12 00:11:06,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:11:06,557 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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-12 00:11:06,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:06,647 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:11:06,668 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_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-12 00:11:06,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:11:06,771 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:11:06,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06 WrapperNode [2023-11-12 00:11:06,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:11:06,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:06,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:11:06,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:11:06,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,864 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-12 00:11:06,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:11:06,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:11:06,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:11:06,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:11:06,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:11:06,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:11:06,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:11:06,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:11:06,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (1/1) ... [2023-11-12 00:11:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:11:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:06,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:11:07,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:11:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:11:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:11:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:11:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:11:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:11:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:11:07,207 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:11:07,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:11:07,712 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:11:07,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:11:07,720 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:11:07,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:07 BoogieIcfgContainer [2023-11-12 00:11:07,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:11:07,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:11:07,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:11:07,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:11:07,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:11:06" (1/3) ... [2023-11-12 00:11:07,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:07, skipping insertion in model container [2023-11-12 00:11:07,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:11:06" (2/3) ... [2023-11-12 00:11:07,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731f7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:11:07, skipping insertion in model container [2023-11-12 00:11:07,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:11:07" (3/3) ... [2023-11-12 00:11:07,732 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-12 00:11:07,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:11:07,754 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:11:07,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:11:07,822 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1d7c87ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:11:07,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:11:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:11:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:11:07,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:07,845 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:07,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:07,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:07,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1076735324, now seen corresponding path program 1 times [2023-11-12 00:11:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:07,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067986354] [2023-11-12 00:11:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:07,867 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 [2023-11-12 00:11:07,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:07,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:07,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:08,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:11:08,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-12 00:11:08,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:08,253 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:08,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067986354] [2023-11-12 00:11:08,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067986354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:08,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:08,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:11:08,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933255927] [2023-11-12 00:11:08,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:08,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:11:08,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:08,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:11:08,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:08,300 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:11:08,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:08,337 INFO L93 Difference]: Finished difference Result 139 states and 241 transitions. [2023-11-12 00:11:08,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:11:08,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2023-11-12 00:11:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:08,353 INFO L225 Difference]: With dead ends: 139 [2023-11-12 00:11:08,354 INFO L226 Difference]: Without dead ends: 69 [2023-11-12 00:11:08,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:11:08,365 INFO L413 NwaCegarLoop]: 104 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, 104 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 [2023-11-12 00:11:08,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:11:08,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-12 00:11:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-12 00:11:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:11:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-12 00:11:08,420 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 159 [2023-11-12 00:11:08,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:08,421 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-12 00:11:08,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 00:11:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-12 00:11:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:11:08,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:08,427 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:08,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:08,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:08,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:08,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:08,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1777743974, now seen corresponding path program 1 times [2023-11-12 00:11:08,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:08,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026902427] [2023-11-12 00:11:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:08,660 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 [2023-11-12 00:11:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:08,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:08,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:11:08,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-12 00:11:09,307 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:09,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:09,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026902427] [2023-11-12 00:11:09,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026902427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:09,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:11:09,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:11:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354496493] [2023-11-12 00:11:09,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:09,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:11:09,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:09,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:11:09,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:11:09,321 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:11:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:09,622 INFO L93 Difference]: Finished difference Result 233 states and 350 transitions. [2023-11-12 00:11:09,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:11:09,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2023-11-12 00:11:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:09,629 INFO L225 Difference]: With dead ends: 233 [2023-11-12 00:11:09,629 INFO L226 Difference]: Without dead ends: 167 [2023-11-12 00:11:09,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:11:09,632 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 97 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:09,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 326 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:11:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-12 00:11:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 130. [2023-11-12 00:11:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-12 00:11:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 197 transitions. [2023-11-12 00:11:09,680 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 197 transitions. Word has length 159 [2023-11-12 00:11:09,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:09,682 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 197 transitions. [2023-11-12 00:11:09,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-12 00:11:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2023-11-12 00:11:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:11:09,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:09,687 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:09,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:09,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:09,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:09,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1529694127, now seen corresponding path program 1 times [2023-11-12 00:11:09,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:09,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651290083] [2023-11-12 00:11:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:09,890 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 [2023-11-12 00:11:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:09,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:09,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:10,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 00:11:10,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-12 00:11:14,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:16,258 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:16,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651290083] [2023-11-12 00:11:16,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651290083] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:16,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [662488927] [2023-11-12 00:11:16,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:16,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:11:16,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:11:16,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:11:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:16,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-12 00:11:17,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 806 proven. 231 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-12 00:11:19,932 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:20,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [662488927] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:20,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279494327] [2023-11-12 00:11:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:20,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:11:20,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:11:20,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:11:20,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:11:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:20,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 00:11:20,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-12 00:11:22,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279494327] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:11:23,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:11:23,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 29] total 33 [2023-11-12 00:11:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832694392] [2023-11-12 00:11:23,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:11:23,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-12 00:11:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-12 00:11:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1636, Unknown=0, NotChecked=0, Total=1980 [2023-11-12 00:11:23,825 INFO L87 Difference]: Start difference. First operand 130 states and 197 transitions. Second operand has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-12 00:11:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:11:30,301 INFO L93 Difference]: Finished difference Result 471 states and 627 transitions. [2023-11-12 00:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-12 00:11:30,305 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 160 [2023-11-12 00:11:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:11:30,314 INFO L225 Difference]: With dead ends: 471 [2023-11-12 00:11:30,314 INFO L226 Difference]: Without dead ends: 344 [2023-11-12 00:11:30,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 625 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1082, Invalid=4174, Unknown=0, NotChecked=0, Total=5256 [2023-11-12 00:11:30,324 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 515 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:11:30,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 562 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-12 00:11:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-12 00:11:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 240. [2023-11-12 00:11:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 167 states have (on average 1.2095808383233533) internal successors, (202), 169 states have internal predecessors, (202), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-12 00:11:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 310 transitions. [2023-11-12 00:11:30,389 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 310 transitions. Word has length 160 [2023-11-12 00:11:30,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:11:30,390 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 310 transitions. [2023-11-12 00:11:30,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.787878787878788) internal successors, (92), 32 states have internal predecessors, (92), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-12 00:11:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 310 transitions. [2023-11-12 00:11:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:11:30,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:11:30,395 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:11:30,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:30,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:30,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:11:31,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:31,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:11:31,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:11:31,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1097369775, now seen corresponding path program 1 times [2023-11-12 00:11:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:11:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144760071] [2023-11-12 00:11:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:31,001 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 [2023-11-12 00:11:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:11:31,007 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:11:31,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94de8eb5-0701-4b9c-9a1d-e9fa8dfbb44a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:11:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:31,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-12 00:11:31,234 INFO L285 TraceCheckSpWp]: Computing forward predicates...