./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2 --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 55551975c39567cc0af997a25b5a60ed7bf159e5142253b0ae97d8bdefe29048 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:08,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:09,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:37:09,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:09,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:09,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:09,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:09,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:09,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:09,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:09,091 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:09,092 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:09,092 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:09,093 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:09,094 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:09,096 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:09,097 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:09,098 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:09,102 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:09,103 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:09,103 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:09,104 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:09,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:09,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:09,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:37:09,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:09,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:37:09,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:09,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:09,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:09,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:09,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:09,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:37:09,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:09,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:09,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:09,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:09,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:09,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:09,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:09,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:09,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:09,127 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:09,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:09,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:09,129 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:09,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:09,130 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55551975c39567cc0af997a25b5a60ed7bf159e5142253b0ae97d8bdefe29048 [2024-11-02 12:37:09,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:09,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:09,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:09,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:09,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:09,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i Unable to find full path for "g++" [2024-11-02 12:37:11,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:12,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:12,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i [2024-11-02 12:37:12,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/749619cb2/8456ff290383491fb4e4d8e2ae65d9f4/FLAG444991573 [2024-11-02 12:37:12,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/749619cb2/8456ff290383491fb4e4d8e2ae65d9f4 [2024-11-02 12:37:12,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:12,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:12,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:12,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:12,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:12,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c792ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12, skipping insertion in model container [2024-11-02 12:37:12,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:12,472 WARN L251 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i[919,932] [2024-11-02 12:37:12,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:12,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:12,620 WARN L251 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i[919,932] [2024-11-02 12:37:12,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:12,733 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:12,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12 WrapperNode [2024-11-02 12:37:12,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:12,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:12,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:12,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:12,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,811 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2024-11-02 12:37:12,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:12,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:12,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:12,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:12,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:12,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:12,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:12,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:12,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (1/1) ... [2024-11-02 12:37:12,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:12,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:12,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:13,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:13,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:13,742 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:13,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:14,206 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:14,206 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:14,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:14 BoogieIcfgContainer [2024-11-02 12:37:14,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:14,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:14,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:14,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:14,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:12" (1/3) ... [2024-11-02 12:37:14,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8bd493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:14, skipping insertion in model container [2024-11-02 12:37:14,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:12" (2/3) ... [2024-11-02 12:37:14,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8bd493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:14, skipping insertion in model container [2024-11-02 12:37:14,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:14" (3/3) ... [2024-11-02 12:37:14,222 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i [2024-11-02 12:37:14,245 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:14,245 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:14,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:14,413 INFO L333 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, 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;@43c9047d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:14,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-02 12:37:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-02 12:37:14,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:14,435 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:14,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:14,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:14,443 INFO L85 PathProgramCache]: Analyzing trace with hash -602993135, now seen corresponding path program 1 times [2024-11-02 12:37:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:14,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355827603] [2024-11-02 12:37:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:14,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:37:15,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370191388] [2024-11-02 12:37:15,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:15,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:37:15,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:15,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:37:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:37:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:37:16,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:37:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:37:16,326 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:37:16,330 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:37:16,331 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:37:16,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:37:16,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:37:16,540 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:37:16,691 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:37:16,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:37:16 BoogieIcfgContainer [2024-11-02 12:37:16,694 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:37:16,695 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:37:16,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:37:16,696 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:37:16,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:14" (3/4) ... [2024-11-02 12:37:16,701 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:37:16,702 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:37:16,703 INFO L158 Benchmark]: Toolchain (without parser) took 4529.53ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 95.0MB in the beginning and 101.7MB in the end (delta: -6.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,704 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:37:16,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.16ms. Allocated memory is still 127.9MB. Free memory was 94.6MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.89ms. Allocated memory is still 127.9MB. Free memory was 77.4MB in the beginning and 72.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,705 INFO L158 Benchmark]: Boogie Preprocessor took 76.55ms. Allocated memory is still 127.9MB. Free memory was 72.9MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,706 INFO L158 Benchmark]: RCFGBuilder took 1317.06ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 70.3MB in the beginning and 127.0MB in the end (delta: -56.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,708 INFO L158 Benchmark]: TraceAbstraction took 2483.38ms. Allocated memory is still 159.4MB. Free memory was 125.9MB in the beginning and 101.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:37:16,709 INFO L158 Benchmark]: Witness Printer took 7.01ms. Allocated memory is still 159.4MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:37:16,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.16ms. Allocated memory is still 127.9MB. Free memory was 94.6MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.89ms. Allocated memory is still 127.9MB. Free memory was 77.4MB in the beginning and 72.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.55ms. Allocated memory is still 127.9MB. Free memory was 72.9MB in the beginning and 70.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1317.06ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 70.3MB in the beginning and 127.0MB in the end (delta: -56.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2483.38ms. Allocated memory is still 159.4MB. Free memory was 125.9MB in the beginning and 101.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.01ms. Allocated memory is still 159.4MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 186, overapproximation of bitwiseOr at line 120, overapproximation of bitwiseAnd at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 16; [L24] unsigned char var_1_5 = 200; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] signed short int var_1_11 = 5; [L31] signed char var_1_12 = -2; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = 2; [L34] signed char var_1_15 = 25; [L35] signed char var_1_16 = 1; [L36] signed char var_1_17 = 0; [L37] signed long int var_1_18 = -16; [L38] float var_1_19 = 2.775; [L39] unsigned long int var_1_20 = 2381110720; [L40] float var_1_21 = 10000000000000.5; [L41] unsigned char var_1_22 = 1; [L42] unsigned char var_1_24 = 0; [L43] unsigned long int var_1_25 = 256; [L44] signed char var_1_30 = -128; [L45] unsigned short int var_1_33 = 0; [L46] signed short int var_1_34 = -10; [L47] signed short int var_1_35 = -16; [L48] signed char var_1_37 = -10; [L49] signed char var_1_38 = 16; [L50] unsigned short int var_1_39 = 4; [L51] signed short int last_1_var_1_10 = 128; [L52] signed short int last_1_var_1_11 = 5; [L53] signed char last_1_var_1_15 = 25; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L181] last_1_var_1_10 = var_1_10 [L182] last_1_var_1_11 = var_1_11 [L183] last_1_var_1_15 = var_1_15 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L144] var_1_5 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L147] var_1_6 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_7=0, var_1_8=0, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L150] var_1_7 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_8=0, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=0, var_1_9=0] [L153] var_1_8 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L156] var_1_9 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L159] var_1_13 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L161] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L162] var_1_14 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L164] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L165] var_1_16 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L167] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L168] var_1_17 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L170] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L171] var_1_20 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L173] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L174] var_1_21 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L176] var_1_24 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=1, var_1_14=37, var_1_15=25, var_1_16=1, var_1_17=17, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L194] RET updateVariables() [L195] CALL step() [L57] COND FALSE !((last_1_var_1_15 / var_1_3) <= 2) [L68] var_1_1 = var_1_5 [L70] EXPR var_1_3 & 64 [L70] COND TRUE (~ (var_1_3 & 64)) <= var_1_17 [L71] COND FALSE !(\read(var_1_24)) [L75] COND TRUE \read(var_1_8) [L76] var_1_35 = (((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) < 0 ) ? -((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) : ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) [L80] unsigned char stepLocal_0 = var_1_1; [L81] COND TRUE var_1_3 <= stepLocal_0 [L82] var_1_10 = ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))) [L84] var_1_37 = var_1_16 [L85] var_1_38 = var_1_16 [L86] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L87] COND TRUE \read(var_1_7) [L88] var_1_15 = (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17) [L90] var_1_39 = var_1_3 [L91] signed char stepLocal_2 = var_1_16; [L92] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L93] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L97] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15) [L98] COND TRUE var_1_20 > 1u [L99] COND FALSE !(\read(var_1_9)) [L102] var_1_19 = var_1_21 [L108] COND TRUE 256 != var_1_13 [L109] var_1_22 = ((! 1) || var_1_24) [L111] COND FALSE !((var_1_14 / var_1_3) <= var_1_17) [L118] var_1_25 = var_1_16 [L120] EXPR var_1_3 ^ (~ var_1_5) [L120] COND TRUE var_1_5 > (var_1_3 ^ (~ var_1_5)) [L121] var_1_30 = (var_1_17 - var_1_17) [L125] signed long int stepLocal_1 = ((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5; [L126] COND TRUE last_1_var_1_11 >= stepLocal_1 [L127] var_1_11 = ((var_1_5 + var_1_15) + var_1_3) [L133] COND FALSE !((var_1_5 / var_1_3) <= var_1_16) [L136] var_1_33 = (((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) < 0 ) ? -((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) : ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) [L195] RET step() [L196] CALL, EXPR property() [L186-L187] return ((((((((last_1_var_1_15 / var_1_3) <= 2) ? ((var_1_3 < (((((~ last_1_var_1_15)) < (last_1_var_1_10)) ? ((~ last_1_var_1_15)) : (last_1_var_1_10)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_1) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((last_1_var_1_11 >= (((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_15) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=6, var_1_12=1, var_1_13=1, var_1_14=37, var_1_15=0, var_1_16=1, var_1_17=17, var_1_18=63, var_1_19=2, var_1_1=4, var_1_20=-2147483649, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=1, var_1_30=0, var_1_33=1, var_1_34=-10, var_1_35=17, var_1_37=1, var_1_38=1, var_1_39=2, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=6, var_1_12=1, var_1_13=1, var_1_14=37, var_1_15=0, var_1_16=1, var_1_17=17, var_1_18=63, var_1_19=2, var_1_1=4, var_1_20=-2147483649, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=1, var_1_30=0, var_1_33=1, var_1_34=-10, var_1_35=17, var_1_37=1, var_1_38=1, var_1_39=2, var_1_3=2, var_1_5=4, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 12:37:16,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2 --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 55551975c39567cc0af997a25b5a60ed7bf159e5142253b0ae97d8bdefe29048 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:19,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:19,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:37:19,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:19,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:19,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:19,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:19,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:19,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:19,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:19,871 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:19,872 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:19,872 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:19,872 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:19,873 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:19,873 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:19,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:19,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:19,877 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:37:19,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:37:19,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:19,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:19,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:19,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:19,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:37:19,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:37:19,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:19,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:37:19,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:37:19,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:19,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:19,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:19,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:37:19,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:19,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:19,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:19,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:19,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:19,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:19,883 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:37:19,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:37:19,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:19,884 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:19,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:19,885 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55551975c39567cc0af997a25b5a60ed7bf159e5142253b0ae97d8bdefe29048 [2024-11-02 12:37:20,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:20,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:20,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:20,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:20,297 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:20,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i Unable to find full path for "g++" [2024-11-02 12:37:22,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:22,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:22,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i [2024-11-02 12:37:22,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/c55ee5f2b/93b76f482464401ea7849a955997e31f/FLAG0997461e2 [2024-11-02 12:37:22,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/data/c55ee5f2b/93b76f482464401ea7849a955997e31f [2024-11-02 12:37:22,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:22,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:22,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:22,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:22,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:22,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:22" (1/1) ... [2024-11-02 12:37:22,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ee34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:22, skipping insertion in model container [2024-11-02 12:37:22,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:22" (1/1) ... [2024-11-02 12:37:22,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:22,971 WARN L251 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i[919,932] [2024-11-02 12:37:23,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:23,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:23,126 WARN L251 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_efeb32a0-3ed0-4f02-9d69-be5d30486830/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i[919,932] [2024-11-02 12:37:23,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:23,183 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:23,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23 WrapperNode [2024-11-02 12:37:23,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:23,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:23,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:23,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:23,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,284 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-11-02 12:37:23,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:23,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:23,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:23,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:23,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:23,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:23,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:23,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:23,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (1/1) ... [2024-11-02 12:37:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:23,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:23,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:37:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:37:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:37:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:23,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:23,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:24,258 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:24,259 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:24,279 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:24,279 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:24,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:24 BoogieIcfgContainer [2024-11-02 12:37:24,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:24,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:24,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:24,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:24,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:22" (1/3) ... [2024-11-02 12:37:24,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48556e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:24, skipping insertion in model container [2024-11-02 12:37:24,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:23" (2/3) ... [2024-11-02 12:37:24,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48556e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:24, skipping insertion in model container [2024-11-02 12:37:24,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:24" (3/3) ... [2024-11-02 12:37:24,292 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-58.i [2024-11-02 12:37:24,313 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:24,313 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:24,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:24,408 INFO L333 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, 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;@ac0611f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:24,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-02 12:37:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:37:24,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:24,443 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:24,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:24,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1492315434, now seen corresponding path program 1 times [2024-11-02 12:37:24,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:37:24,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190650267] [2024-11-02 12:37:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:24,462 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 [2024-11-02 12:37:24,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:37:24,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:37:24,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:37:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:24,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:37:24,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-02 12:37:24,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:37:24,858 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:37:24,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190650267] [2024-11-02 12:37:24,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190650267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:37:24,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:37:24,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:37:24,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002216150] [2024-11-02 12:37:24,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:37:24,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:37:24,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:37:24,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:37:24,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:37:24,906 INFO L87 Difference]: Start difference. First operand has 82 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-02 12:37:24,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:24,954 INFO L93 Difference]: Finished difference Result 157 states and 280 transitions. [2024-11-02 12:37:24,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:37:24,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-11-02 12:37:24,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:24,966 INFO L225 Difference]: With dead ends: 157 [2024-11-02 12:37:24,967 INFO L226 Difference]: Without dead ends: 78 [2024-11-02 12:37:24,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:37:24,978 INFO L432 NwaCegarLoop]: 121 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, 121 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 [2024-11-02 12:37:24,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:37:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-02 12:37:25,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-02 12:37:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-02 12:37:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2024-11-02 12:37:25,043 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 168 [2024-11-02 12:37:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:25,046 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2024-11-02 12:37:25,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-02 12:37:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2024-11-02 12:37:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:37:25,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:25,053 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:25,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:37:25,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:37:25,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:25,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash -546854310, now seen corresponding path program 1 times [2024-11-02 12:37:25,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:37:25,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979130337] [2024-11-02 12:37:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:25,258 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 [2024-11-02 12:37:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:37:25,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:37:25,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:37:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:25,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:37:25,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 519 proven. 18 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-02 12:37:25,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:37:25,885 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:37:25,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979130337] [2024-11-02 12:37:25,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979130337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:37:25,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [37842937] [2024-11-02 12:37:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:25,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:37:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:37:25,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:37:25,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:37:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:26,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:37:26,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 519 proven. 18 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-02 12:37:26,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:37:26,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [37842937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:37:26,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949770238] [2024-11-02 12:37:26,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:26,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:37:26,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:26,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:37:26,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-02 12:37:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:27,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:37:27,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 519 proven. 18 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-02 12:37:27,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:37:27,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949770238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:37:27,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-02 12:37:27,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-02 12:37:27,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335632802] [2024-11-02 12:37:27,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-02 12:37:27,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:37:27,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:37:27,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:37:27,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:37:27,204 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-02 12:37:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:37:27,734 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2024-11-02 12:37:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-02 12:37:27,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-11-02 12:37:27,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:37:27,741 INFO L225 Difference]: With dead ends: 159 [2024-11-02 12:37:27,741 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:37:27,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:37:27,747 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 78 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-02 12:37:27,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 186 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-02 12:37:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:37:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2024-11-02 12:37:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-02 12:37:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 123 transitions. [2024-11-02 12:37:27,774 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 123 transitions. Word has length 168 [2024-11-02 12:37:27,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:37:27,778 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 123 transitions. [2024-11-02 12:37:27,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-02 12:37:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2024-11-02 12:37:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-02 12:37:27,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:27,784 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:37:27,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:37:27,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:37:28,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:37:28,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:37:28,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:28,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1094623764, now seen corresponding path program 1 times [2024-11-02 12:37:28,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:37:28,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554601672] [2024-11-02 12:37:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:28,387 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 [2024-11-02 12:37:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:37:28,391 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:37:28,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:37:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:28,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-02 12:37:28,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 714 proven. 90 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-02 12:37:32,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:37:35,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:37:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554601672] [2024-11-02 12:37:35,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554601672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:37:35,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [237591045] [2024-11-02 12:37:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:35,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:37:35,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:37:35,359 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:37:35,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efeb32a0-3ed0-4f02-9d69-be5d30486830/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-02 12:37:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:37:37,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-02 12:37:37,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:37:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 603 proven. 24 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2024-11-02 12:37:40,151 INFO L311 TraceCheckSpWp]: Computing backward predicates...