./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.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_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 87aa6284001000127ffff60955d3595ebbaf08c4128694568aa6ccb28056a837 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:33,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:34,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:31:34,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:34,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:34,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:34,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:34,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:34,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:34,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:34,132 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:34,133 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:34,133 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:34,134 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:31:34,137 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:34,137 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:34,138 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:31:34,138 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:31:34,138 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:34,139 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:31:34,139 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:31:34,144 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:31:34,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:34,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:34,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:34,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:31:34,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:34,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:34,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:34,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:34,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:34,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:34,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:34,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:34,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:34,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:34,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:34,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:34,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:34,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:34,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:34,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:34,170 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:31:34,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:31:34,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:34,171 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:34,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:34,173 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87aa6284001000127ffff60955d3595ebbaf08c4128694568aa6ccb28056a837 [2024-11-02 12:31:34,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:34,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:34,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:34,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:34,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:34,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i Unable to find full path for "g++" [2024-11-02 12:31:36,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:37,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:37,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i [2024-11-02 12:31:37,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/1112e3468/8575ab5b1cb1490aba76c15645c84039/FLAGec0d5cfa6 [2024-11-02 12:31:37,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/1112e3468/8575ab5b1cb1490aba76c15645c84039 [2024-11-02 12:31:37,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:37,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:37,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:37,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:37,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:37,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:37" (1/1) ... [2024-11-02 12:31:37,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a312e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:37, skipping insertion in model container [2024-11-02 12:31:37,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:37" (1/1) ... [2024-11-02 12:31:37,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:37,845 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i[919,932] [2024-11-02 12:31:37,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:37,944 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:37,961 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i[919,932] [2024-11-02 12:31:38,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:38,066 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:38,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38 WrapperNode [2024-11-02 12:31:38,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:38,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:38,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:38,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:38,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,148 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2024-11-02 12:31:38,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:38,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:38,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:38,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:38,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:38,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:38,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:38,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:38,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (1/1) ... [2024-11-02 12:31:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:38,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:38,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:31:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:38,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:38,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:38,992 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:38,992 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:39,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:39,420 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:31:39,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:39 BoogieIcfgContainer [2024-11-02 12:31:39,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:39,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:39,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:39,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:39,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:37" (1/3) ... [2024-11-02 12:31:39,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334ae987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:39, skipping insertion in model container [2024-11-02 12:31:39,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:38" (2/3) ... [2024-11-02 12:31:39,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334ae987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:39, skipping insertion in model container [2024-11-02 12:31:39,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:39" (3/3) ... [2024-11-02 12:31:39,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i [2024-11-02 12:31:39,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:39,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:39,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:39,584 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;@28702f1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:39,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:39,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:31:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-02 12:31:39,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:39,602 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:39,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:39,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:39,608 INFO L85 PathProgramCache]: Analyzing trace with hash 318398075, now seen corresponding path program 1 times [2024-11-02 12:31:39,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:31:39,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698267033] [2024-11-02 12:31:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:39,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:31:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:31:40,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433299537] [2024-11-02 12:31:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:31:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:40,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:31:40,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:31:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:40,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:31:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:31:40,720 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:31:40,723 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:31:40,724 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:31:40,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:31:40,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:31:40,935 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:31:41,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:31:41,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:31:41 BoogieIcfgContainer [2024-11-02 12:31:41,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:31:41,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:31:41,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:31:41,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:31:41,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:39" (3/4) ... [2024-11-02 12:31:41,084 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:31:41,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:31:41,087 INFO L158 Benchmark]: Toolchain (without parser) took 3551.69ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.3MB in the beginning and 126.3MB in the end (delta: -59.0MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-11-02 12:31:41,088 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:41,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.28ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.2MB in the beginning and 153.5MB in the end (delta: -86.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-02 12:31:41,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.88ms. Allocated memory is still 190.8MB. Free memory was 153.5MB in the beginning and 150.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:41,090 INFO L158 Benchmark]: Boogie Preprocessor took 59.50ms. Allocated memory is still 190.8MB. Free memory was 150.4MB in the beginning and 148.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:31:41,091 INFO L158 Benchmark]: RCFGBuilder took 1210.60ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 111.2MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-02 12:31:41,092 INFO L158 Benchmark]: TraceAbstraction took 1652.95ms. Allocated memory is still 190.8MB. Free memory was 111.2MB in the beginning and 126.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:41,093 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 190.8MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:31:41,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.28ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 67.2MB in the beginning and 153.5MB in the end (delta: -86.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.88ms. Allocated memory is still 190.8MB. Free memory was 153.5MB in the beginning and 150.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.50ms. Allocated memory is still 190.8MB. Free memory was 150.4MB in the beginning and 148.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1210.60ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 111.2MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1652.95ms. Allocated memory is still 190.8MB. Free memory was 111.2MB in the beginning and 126.3MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 190.8MB. Free memory is still 126.3MB. 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 138, overapproximation of bitwiseOr at line 101, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] double var_1_4 = 5.5; [L24] float var_1_5 = 49.2; [L25] double var_1_7 = 49.5; [L26] double var_1_8 = 999999999999.4; [L27] double var_1_9 = 255.3; [L28] unsigned char var_1_10 = 1; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_13 = 1; [L31] signed long int var_1_14 = -16; [L32] signed long int var_1_15 = 25; [L33] signed long int var_1_16 = -8; [L34] signed long int var_1_17 = 1000000000; [L35] signed long int var_1_18 = 256; [L36] signed long int var_1_19 = 25; [L37] signed long int var_1_20 = 4; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; [L40] signed long int var_1_23 = 50; [L41] double var_1_24 = 1000000000.5; [L42] unsigned char var_1_26 = 10; [L43] unsigned char var_1_27 = 10; [L44] float var_1_28 = 15.5; [L45] double var_1_36 = 63.2; [L46] signed long int var_1_37 = 16; [L47] float var_1_38 = 128.5; [L48] double var_1_40 = 255.8; [L49] unsigned long int var_1_41 = 10; [L50] double last_1_var_1_7 = 49.5; [L51] signed long int last_1_var_1_14 = -16; [L52] signed long int last_1_var_1_23 = 50; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L172] last_1_var_1_7 = var_1_7 [L173] last_1_var_1_14 = var_1_14 [L174] last_1_var_1_23 = var_1_23 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L135] var_1_4 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L137] var_1_5 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L139] var_1_8 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2, var_1_9=2553/10] [L141] var_1_9 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=0, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L143] var_1_11 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L145] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L146] var_1_13 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L148] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=25, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L149] var_1_15 = __VERIFIER_nondet_long() [L150] CALL assume_abort_if_not(var_1_15 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_15 >= -1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L151] CALL assume_abort_if_not(var_1_15 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_15 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=1000000000, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L152] var_1_17 = __VERIFIER_nondet_long() [L153] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L154] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=256, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L155] var_1_18 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L157] CALL assume_abort_if_not(var_1_18 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 <= 536870911) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=25, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L158] var_1_19 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L160] CALL assume_abort_if_not(var_1_19 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=4, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L161] var_1_20 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L163] CALL assume_abort_if_not(var_1_20 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=0, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L164] var_1_22 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_22 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_22 >= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L166] CALL assume_abort_if_not(var_1_22 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_22 <= 1) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L169] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-16, var_1_15=0, var_1_16=-8, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=54/5, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=50, var_1_24=2000000001/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=316/5, var_1_37=16, var_1_38=257/2, var_1_40=1279/5, var_1_41=10, var_1_7=99/2] [L185] RET updateVariables() [L186] CALL step() [L56] var_1_23 = last_1_var_1_14 [L57] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L58] COND TRUE var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9)))) [L59] var_1_16 = ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))) [L65] signed long int stepLocal_0 = var_1_23; [L66] COND FALSE !(stepLocal_0 == var_1_16) [L69] COND FALSE !((var_1_4 - var_1_5) > var_1_7) [L72] var_1_1 = var_1_4 [L75] signed long int stepLocal_1 = (50 / -10) + var_1_23; [L76] COND TRUE stepLocal_1 >= var_1_16 [L77] COND TRUE \read(var_1_13) [L78] var_1_21 = (var_1_11 && var_1_22) [L85] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L86] COND FALSE !(var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) [L93] var_1_14 = var_1_16 [L95] var_1_24 = var_1_4 [L96] COND TRUE var_1_4 <= var_1_5 [L97] var_1_26 = ((((var_1_27) < (((((128) < 0 ) ? -(128) : (128))))) ? (var_1_27) : (((((128) < 0 ) ? -(128) : (128)))))) [L99] COND TRUE \read(var_1_11) [L100] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_4 [L101] EXPR var_1_23 | var_1_18 [L101] COND TRUE (((((var_1_27 % var_1_17)) < (var_1_20)) ? ((var_1_27 % var_1_17)) : (var_1_20))) < (var_1_23 * (var_1_23 | var_1_18)) [L102] COND TRUE ((((var_1_4) > (var_1_4)) ? (var_1_4) : (var_1_4))) >= (var_1_5 * var_1_4) [L103] var_1_28 = var_1_4 [L110] var_1_36 = 63.5 [L111] COND TRUE var_1_27 != var_1_17 [L112] var_1_37 = (((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) - ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) [L116] COND TRUE (var_1_5 * var_1_4) != var_1_4 [L117] var_1_38 = (var_1_4 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L119] COND TRUE \read(var_1_13) [L120] var_1_40 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L124] COND TRUE var_1_9 != ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L125] COND FALSE !(((((127.4) < 0 ) ? -(127.4) : (127.4))) < var_1_1) [L130] var_1_41 = var_1_16 [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return (((((((var_1_23 == var_1_16) ? (var_1_1 == ((double) (var_1_4 - 4.531))) : (((var_1_4 - var_1_5) > var_1_7) ? (var_1_1 == ((double) var_1_4)) : (var_1_1 == ((double) var_1_4)))) && (var_1_7 == ((double) (var_1_4 - (var_1_8 + var_1_9))))) && (var_1_10 == ((unsigned char) (var_1_11 && (var_1_21 || var_1_13))))) && ((var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5))))) ? (var_1_10 ? (var_1_14 == ((signed long int) (var_1_15 + (8 + var_1_16)))) : (var_1_14 == ((signed long int) -256))) : (var_1_14 == ((signed long int) var_1_16)))) && ((var_1_8 <= (((((var_1_5 * 1.25)) > ((last_1_var_1_7 * var_1_9))) ? ((var_1_5 * 1.25)) : ((last_1_var_1_7 * var_1_9))))) ? (var_1_16 == ((signed long int) ((((((last_1_var_1_23) < 0 ) ? -(last_1_var_1_23) : (last_1_var_1_23))) + last_1_var_1_23) + ((var_1_17 - var_1_18) - ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : ((var_1_4 <= last_1_var_1_7) ? (var_1_16 == ((signed long int) var_1_17)) : 1))) && ((((50 / -10) + var_1_23) >= var_1_16) ? (var_1_13 ? (var_1_21 == ((unsigned char) (var_1_11 && var_1_22))) : (var_1_21 == ((unsigned char) var_1_11))) : (var_1_21 == ((unsigned char) var_1_11)))) && (var_1_23 == ((signed long int) last_1_var_1_14)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-21, var_1_15=0, var_1_16=-21, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=31/2, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=31/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=127/2, var_1_37=-6, var_1_38=257/2, var_1_40=2, var_1_41=-21, var_1_4=31/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-16, last_1_var_1_23=50, last_1_var_1_7=99/2, var_1_10=1, var_1_11=-255, var_1_13=1, var_1_14=-21, var_1_15=0, var_1_16=-21, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=31/2, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_24=31/2, var_1_26=10, var_1_27=10, var_1_28=31/2, var_1_36=127/2, var_1_37=-6, var_1_38=257/2, var_1_40=2, var_1_41=-21, var_1_4=31/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 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 12:31:41,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 87aa6284001000127ffff60955d3595ebbaf08c4128694568aa6ccb28056a837 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:43,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:43,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:31:43,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:43,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:44,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:44,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:44,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:44,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:44,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:44,013 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:44,013 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:44,014 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:44,014 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:44,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:44,015 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:44,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:44,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:44,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:31:44,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:31:44,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:44,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:44,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:44,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:44,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:31:44,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:31:44,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:44,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:31:44,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:31:44,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:44,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:44,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:44,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:31:44,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:44,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:44,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:44,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:44,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:44,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:44,030 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:31:44,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:31:44,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:44,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:44,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:44,040 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87aa6284001000127ffff60955d3595ebbaf08c4128694568aa6ccb28056a837 [2024-11-02 12:31:44,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:44,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:44,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:44,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:44,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:44,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i Unable to find full path for "g++" [2024-11-02 12:31:47,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:47,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:47,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i [2024-11-02 12:31:47,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/fc463c17f/9f08425511c74807850db71b4e672a6d/FLAGd05c0593a [2024-11-02 12:31:47,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/data/fc463c17f/9f08425511c74807850db71b4e672a6d [2024-11-02 12:31:47,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:47,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:47,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:47,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:47,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:47,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:47" (1/1) ... [2024-11-02 12:31:47,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a6d946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:47, skipping insertion in model container [2024-11-02 12:31:47,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:47" (1/1) ... [2024-11-02 12:31:47,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:47,788 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i[919,932] [2024-11-02 12:31:47,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:47,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:47,947 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_3a67565c-8704-413b-9e1c-6a14cf7308e3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i[919,932] [2024-11-02 12:31:47,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:48,008 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:48,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48 WrapperNode [2024-11-02 12:31:48,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:48,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:48,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:48,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:48,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,116 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2024-11-02 12:31:48,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:48,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:48,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:48,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:48,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:48,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:48,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:48,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:48,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (1/1) ... [2024-11-02 12:31:48,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:48,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:48,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:31:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:48,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:48,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:32:06,598 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:32:06,599 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:32:06,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:32:06,635 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:32:06,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:06 BoogieIcfgContainer [2024-11-02 12:32:06,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:32:06,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:32:06,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:32:06,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:32:06,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:47" (1/3) ... [2024-11-02 12:32:06,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627dc1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:06, skipping insertion in model container [2024-11-02 12:32:06,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:48" (2/3) ... [2024-11-02 12:32:06,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627dc1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:32:06, skipping insertion in model container [2024-11-02 12:32:06,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:32:06" (3/3) ... [2024-11-02 12:32:06,647 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-82.i [2024-11-02 12:32:06,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:32:06,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:32:06,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:32:06,786 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;@723a3b7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:32:06,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:32:06,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:32:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-02 12:32:06,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:06,820 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:06,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:06,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:06,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1100809634, now seen corresponding path program 1 times [2024-11-02 12:32:06,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:06,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230045635] [2024-11-02 12:32:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:06,851 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 12:32:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:06,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:06,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:08,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:32:08,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-11-02 12:32:08,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:32:08,280 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:32:08,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230045635] [2024-11-02 12:32:08,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230045635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:32:08,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:32:08,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:32:08,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067309354] [2024-11-02 12:32:08,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:32:08,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:32:08,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:32:08,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:32:08,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:32:08,330 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:32:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:32:08,392 INFO L93 Difference]: Finished difference Result 149 states and 258 transitions. [2024-11-02 12:32:08,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:32:08,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-11-02 12:32:08,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:32:08,407 INFO L225 Difference]: With dead ends: 149 [2024-11-02 12:32:08,407 INFO L226 Difference]: Without dead ends: 74 [2024-11-02 12:32:08,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 12:32:08,413 INFO L432 NwaCegarLoop]: 114 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, 114 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 12:32:08,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:32:08,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-02 12:32:08,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-02 12:32:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:32:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 114 transitions. [2024-11-02 12:32:08,490 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 114 transitions. Word has length 147 [2024-11-02 12:32:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:32:08,493 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 114 transitions. [2024-11-02 12:32:08,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:32:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2024-11-02 12:32:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-02 12:32:08,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:32:08,498 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:32:08,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:08,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:08,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:32:08,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:32:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1671631466, now seen corresponding path program 1 times [2024-11-02 12:32:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:32:08,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716113558] [2024-11-02 12:32:08,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:32:08,703 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 12:32:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:32:08,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a67565c-8704-413b-9e1c-6a14cf7308e3/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 12:32:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:32:10,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:32:10,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:32:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-02 12:32:11,804 INFO L311 TraceCheckSpWp]: Computing backward predicates...