./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_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_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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_27f2c38e-885d-4e41-8645-482664a37de1/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 a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:50,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:51,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:39:51,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:51,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:51,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:51,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:51,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:51,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:51,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:51,088 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:51,088 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:51,088 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:51,089 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:51,089 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:51,091 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:51,091 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:51,092 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:51,092 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:51,092 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:51,094 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:51,097 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:51,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:51,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:51,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:51,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:51,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:51,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:51,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:51,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:51,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:51,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:51,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:51,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:51,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:51,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:51,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:51,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:51,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:51,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:51,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:51,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:51,104 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:51,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:51,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:51,105 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:51,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:51,105 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_27f2c38e-885d-4e41-8645-482664a37de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 [2024-11-02 12:39:51,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:51,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:51,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:51,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:51,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:51,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i Unable to find full path for "g++" [2024-11-02 12:39:53,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:53,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:53,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-11-02 12:39:53,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/26158ca72/6f5b86768b2346328f25d862d10bf782/FLAG244466d3b [2024-11-02 12:39:53,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/26158ca72/6f5b86768b2346328f25d862d10bf782 [2024-11-02 12:39:53,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:53,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:53,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:53,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:53,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:53,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:53" (1/1) ... [2024-11-02 12:39:53,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a40f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:53, skipping insertion in model container [2024-11-02 12:39:53,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:53" (1/1) ... [2024-11-02 12:39:53,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:54,079 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_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-11-02 12:39:54,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:54,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:54,191 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_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-11-02 12:39:54,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:54,264 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:54,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54 WrapperNode [2024-11-02 12:39:54,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:54,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:54,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:54,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:54,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,332 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-02 12:39:54,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:54,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:54,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:54,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:54,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:54,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:54,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:54,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:54,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (1/1) ... [2024-11-02 12:39:54,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:54,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:54,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:54,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:54,582 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:54,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:54,966 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:54,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:55,222 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:55,223 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:55,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:55 BoogieIcfgContainer [2024-11-02 12:39:55,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:55,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:55,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:55,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:55,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:53" (1/3) ... [2024-11-02 12:39:55,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c33edd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:55, skipping insertion in model container [2024-11-02 12:39:55,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:54" (2/3) ... [2024-11-02 12:39:55,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c33edd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:55, skipping insertion in model container [2024-11-02 12:39:55,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:55" (3/3) ... [2024-11-02 12:39:55,238 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-82.i [2024-11-02 12:39:55,258 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:55,258 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:55,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:55,361 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;@283495e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:55,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:39:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-02 12:39:55,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:55,384 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:39:55,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:55,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:55,392 INFO L85 PathProgramCache]: Analyzing trace with hash -356684006, now seen corresponding path program 1 times [2024-11-02 12:39:55,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:55,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213153213] [2024-11-02 12:39:55,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:55,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:39:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:56,159 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:39:56,162 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:39:56,163 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:39:56,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:39:56,170 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:39:56,268 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:39:56,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:56 BoogieIcfgContainer [2024-11-02 12:39:56,274 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:56,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:56,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:56,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:56,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:55" (3/4) ... [2024-11-02 12:39:56,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:39:56,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:56,283 INFO L158 Benchmark]: Toolchain (without parser) took 2493.52ms. Allocated memory is still 172.0MB. Free memory was 134.6MB in the beginning and 88.2MB in the end (delta: 46.4MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,283 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:56,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.81ms. Allocated memory is still 172.0MB. Free memory was 134.2MB in the beginning and 119.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.93ms. Allocated memory is still 172.0MB. Free memory was 119.5MB in the beginning and 117.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,285 INFO L158 Benchmark]: Boogie Preprocessor took 48.88ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,285 INFO L158 Benchmark]: RCFGBuilder took 840.63ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 134.4MB in the end (delta: -19.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,286 INFO L158 Benchmark]: TraceAbstraction took 1047.78ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 89.3MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,286 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 172.0MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:56,291 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 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.81ms. Allocated memory is still 172.0MB. Free memory was 134.2MB in the beginning and 119.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.93ms. Allocated memory is still 172.0MB. Free memory was 119.5MB in the beginning and 117.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.88ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 840.63ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 134.4MB in the end (delta: -19.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1047.78ms. Allocated memory is still 172.0MB. Free memory was 134.4MB in the beginning and 89.3MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 172.0MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. 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 last_1_var_1_7 = 49.5; [L42] signed long int last_1_var_1_14 = -16; [L43] signed long int last_1_var_1_23 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] last_1_var_1_7 = var_1_7 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_23 = var_1_23 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_double() [L89] 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_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L89] 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_5=246/5, var_1_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L90] var_1_5 = __VERIFIER_nondet_float() [L91] 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_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L91] 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_7=99/2, var_1_8=4999999999997/5, var_1_9=2553/10] [L92] var_1_8 = __VERIFIER_nondet_double() [L93] 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_7=99/2, var_1_9=2553/10] [L20] COND FALSE !(!cond) [L93] 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_7=99/2, var_1_9=2553/10] [L94] var_1_9 = __VERIFIER_nondet_double() [L95] 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_7=99/2] [L20] COND FALSE !(!cond) [L95] 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_7=99/2] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] 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=1, 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_7=99/2] [L20] COND FALSE !(!cond) [L97] 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=1, 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_7=99/2] [L98] 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=1, 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_7=99/2] [L20] COND FALSE !(!cond) [L98] 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=1, 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_7=99/2] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] 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=1, 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_7=99/2] [L20] COND FALSE !(!cond) [L100] 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=1, 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_7=99/2] [L101] 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=1, 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_7=99/2] [L20] COND FALSE !(!cond) [L101] 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=1, 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_7=99/2] [L102] var_1_15 = __VERIFIER_nondet_long() [L103] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L103] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L104] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L104] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L105] var_1_17 = __VERIFIER_nondet_long() [L106] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L106] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L107] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L107] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L108] var_1_18 = __VERIFIER_nondet_long() [L109] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L109] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L110] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L110] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L111] var_1_19 = __VERIFIER_nondet_long() [L112] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L112] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L113] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L113] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L114] var_1_20 = __VERIFIER_nondet_long() [L115] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L115] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L116] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L116] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L117] var_1_22 = __VERIFIER_nondet_uchar() [L118] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L118] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L119] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L20] COND FALSE !(!cond) [L119] 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=1, var_1_13=1, var_1_14=-16, var_1_15=-8, 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_7=99/2] [L135] RET updateVariables() [L136] CALL step() [L47] var_1_23 = last_1_var_1_14 [L48] var_1_7 = (var_1_4 - (var_1_8 + var_1_9)) [L49] 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)))) [L50] 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))))) [L56] signed long int stepLocal_0 = var_1_23; [L57] COND FALSE !(stepLocal_0 == var_1_16) [L60] COND FALSE !((var_1_4 - var_1_5) > var_1_7) [L63] var_1_1 = var_1_4 [L66] signed long int stepLocal_1 = (50 / -10) + var_1_23; [L67] COND TRUE stepLocal_1 >= var_1_16 [L68] COND TRUE \read(var_1_13) [L69] var_1_21 = (var_1_11 && var_1_22) [L76] var_1_10 = (var_1_11 && (var_1_21 || var_1_13)) [L77] COND TRUE var_1_8 <= ((((var_1_4) > ((var_1_1 + var_1_5))) ? (var_1_4) : ((var_1_1 + var_1_5)))) [L78] COND TRUE \read(var_1_10) [L79] var_1_14 = (var_1_15 + (8 + var_1_16)) [L136] RET step() [L137] CALL, EXPR property() [L127-L128] 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)) ; [L137] RET, EXPR property() [L137] 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=1, var_1_13=1, var_1_14=-21, var_1_15=-8, var_1_16=-21, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=1000000000004, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000004] [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=1, var_1_13=1, var_1_14=-21, var_1_15=-8, var_1_16=-21, var_1_17=536870911, var_1_18=536870911, var_1_19=0, var_1_1=1000000000004, var_1_20=121, var_1_21=1, var_1_22=1, var_1_23=-16, var_1_4=1000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:39:56,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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_27f2c38e-885d-4e41-8645-482664a37de1/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 a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:59,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:59,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:39:59,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:59,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:59,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:59,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:59,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:59,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:59,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:59,475 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:59,476 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:59,476 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:59,477 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:59,477 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:59,477 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:59,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:59,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:59,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:59,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:59,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:59,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:59,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:59,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:59,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:59,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:39:59,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:59,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:39:59,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:59,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:59,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:59,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:59,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:39:59,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:59,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:59,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:59,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:59,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:59,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:59,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:39:59,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:59,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:59,493 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:59,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:59,494 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_27f2c38e-885d-4e41-8645-482664a37de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e70996cbac37e08f600b6cb8a14d2ecbe3e7aba1c201723d7492aad4813591 [2024-11-02 12:39:59,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:59,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:59,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:59,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:59,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:59,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i Unable to find full path for "g++" [2024-11-02 12:40:02,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:40:02,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:40:02,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i [2024-11-02 12:40:02,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/1375dd7b0/53c5a73b79a54da191824fd86fe375e2/FLAG2a40b5b17 [2024-11-02 12:40:02,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/data/1375dd7b0/53c5a73b79a54da191824fd86fe375e2 [2024-11-02 12:40:02,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:40:02,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:40:02,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:02,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:40:02,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:40:02,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:02,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40465f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02, skipping insertion in model container [2024-11-02 12:40:02,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:02,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:40:02,724 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_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-11-02 12:40:02,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:02,827 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:40:02,842 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_27f2c38e-885d-4e41-8645-482664a37de1/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-82.i[915,928] [2024-11-02 12:40:02,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:40:02,914 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:40:02,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02 WrapperNode [2024-11-02 12:40:02,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:40:02,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:02,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:40:02,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:40:02,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:02,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:02,984 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-02 12:40:02,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:40:02,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:40:02,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:40:02,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:40:03,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:40:03,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:40:03,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:40:03,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:40:03,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (1/1) ... [2024-11-02 12:40:03,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:40:03,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:40:03,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:40:03,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:40:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:40:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:40:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:40:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:40:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:40:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:40:03,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:40:03,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:40:13,326 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:40:13,327 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:40:13,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:40:13,343 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:40:13,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:13 BoogieIcfgContainer [2024-11-02 12:40:13,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:40:13,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:40:13,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:40:13,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:40:13,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:40:02" (1/3) ... [2024-11-02 12:40:13,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf8c85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:13, skipping insertion in model container [2024-11-02 12:40:13,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02" (2/3) ... [2024-11-02 12:40:13,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf8c85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:13, skipping insertion in model container [2024-11-02 12:40:13,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:13" (3/3) ... [2024-11-02 12:40:13,356 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-82.i [2024-11-02 12:40:13,376 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:40:13,376 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:40:13,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:40:13,477 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;@6986d2ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:40:13,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:40:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:40:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:40:13,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:13,500 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:13,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:13,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash 286330968, now seen corresponding path program 1 times [2024-11-02 12:40:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:13,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102768248] [2024-11-02 12:40:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:13,521 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 12:40:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:13,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:13,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:14,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:40:14,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:40:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-02 12:40:14,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:40:14,500 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:40:14,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102768248] [2024-11-02 12:40:14,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102768248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:40:14,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:40:14,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:40:14,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69616482] [2024-11-02 12:40:14,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:40:14,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:40:14,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:40:14,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:40:14,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:40:14,545 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:40:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:40:14,578 INFO L93 Difference]: Finished difference Result 117 states and 198 transitions. [2024-11-02 12:40:14,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:40:14,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2024-11-02 12:40:14,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:40:14,593 INFO L225 Difference]: With dead ends: 117 [2024-11-02 12:40:14,593 INFO L226 Difference]: Without dead ends: 58 [2024-11-02 12:40:14,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 12:40:14,607 INFO L432 NwaCegarLoop]: 85 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, 85 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 12:40:14,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:40:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-02 12:40:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-02 12:40:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:40:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-11-02 12:40:14,678 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 128 [2024-11-02 12:40:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:40:14,679 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-11-02 12:40:14,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:40:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-02 12:40:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:40:14,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:40:14,686 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:40:14,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:14,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:14,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:40:14,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:40:14,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1740448, now seen corresponding path program 1 times [2024-11-02 12:40:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:40:14,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273773837] [2024-11-02 12:40:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:40:14,891 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 12:40:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:40:14,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:14,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f2c38e-885d-4e41-8645-482664a37de1/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 12:40:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:40:16,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-02 12:40:16,495 INFO L278 TraceCheckSpWp]: Computing forward predicates...