./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.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_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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_1412b845-ddf0-4340-8f75-d6a836699dc5/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 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:04,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:04,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:35:04,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:04,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:04,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:04,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:04,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:04,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:04,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:04,780 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:04,781 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:04,781 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:04,782 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:04,782 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:04,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:04,783 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:04,783 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:04,784 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:04,784 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:04,785 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:04,785 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:04,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:04,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:04,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:04,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:04,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:04,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:04,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:04,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:04,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:04,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:04,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:04,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:04,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:04,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:04,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:04,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:04,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:04,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:04,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:04,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:04,793 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:04,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:04,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:04,795 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:04,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:04,795 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_1412b845-ddf0-4340-8f75-d6a836699dc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 [2024-11-02 12:35:05,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:05,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:05,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:05,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:05,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:05,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i Unable to find full path for "g++" [2024-11-02 12:35:07,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:07,376 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:07,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2024-11-02 12:35:07,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/60d0c005d/56786914bf70490eb7c1718cc1fcdddd/FLAG55b7fccd3 [2024-11-02 12:35:07,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/60d0c005d/56786914bf70490eb7c1718cc1fcdddd [2024-11-02 12:35:07,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:07,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:07,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:07,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:07,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:07,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:07,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b45599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07, skipping insertion in model container [2024-11-02 12:35:07,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:07,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:07,756 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_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2024-11-02 12:35:07,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:07,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:07,858 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_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2024-11-02 12:35:07,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:07,914 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:07,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07 WrapperNode [2024-11-02 12:35:07,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:07,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:07,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:07,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:07,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:07,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,013 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-02 12:35:08,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:08,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:08,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:08,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:08,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:08,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:08,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:08,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:08,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (1/1) ... [2024-11-02 12:35:08,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:08,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:08,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:08,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:08,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:08,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:08,872 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:08,873 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:09,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:09,181 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:09,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:09 BoogieIcfgContainer [2024-11-02 12:35:09,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:09,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:09,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:09,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:09,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:07" (1/3) ... [2024-11-02 12:35:09,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7413244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:09, skipping insertion in model container [2024-11-02 12:35:09,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:07" (2/3) ... [2024-11-02 12:35:09,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7413244c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:09, skipping insertion in model container [2024-11-02 12:35:09,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:09" (3/3) ... [2024-11-02 12:35:09,196 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-20.i [2024-11-02 12:35:09,215 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:09,215 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:09,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:09,306 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;@75574066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:09,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:35:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 12:35:09,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:09,327 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:09,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:09,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:09,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1756076172, now seen corresponding path program 1 times [2024-11-02 12:35:09,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:09,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733538129] [2024-11-02 12:35:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:35:09,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039938203] [2024-11-02 12:35:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:09,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:35:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:09,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:35:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:35:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:10,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:35:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:10,234 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:35:10,237 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:35:10,239 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:35:10,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:35:10,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:35:10,446 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:35:10,503 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:35:10,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:35:10 BoogieIcfgContainer [2024-11-02 12:35:10,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:35:10,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:35:10,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:35:10,507 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:35:10,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:09" (3/4) ... [2024-11-02 12:35:10,514 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:35:10,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:35:10,521 INFO L158 Benchmark]: Toolchain (without parser) took 3094.59ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 100.5MB in the beginning and 79.8MB in the end (delta: 20.7MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,522 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:10,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.07ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 84.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.22ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 81.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,523 INFO L158 Benchmark]: Boogie Preprocessor took 53.96ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,525 INFO L158 Benchmark]: RCFGBuilder took 1113.23ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.0MB in the beginning and 131.2MB in the end (delta: -52.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,525 INFO L158 Benchmark]: TraceAbstraction took 1320.89ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 80.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-02 12:35:10,526 INFO L158 Benchmark]: Witness Printer took 13.09ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:10,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.07ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 84.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.22ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 81.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.96ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.23ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 79.0MB in the beginning and 131.2MB in the end (delta: -52.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1320.89ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 80.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 13.09ms. Allocated memory is still 176.2MB. Free memory was 80.9MB in the beginning and 79.8MB in the end (delta: 1.0MB). 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 64, overapproximation of shiftLeft at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] unsigned char last_1_var_1_6 = 32; [L40] unsigned short int last_1_var_1_8 = 100; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] last_1_var_1_6 = var_1_6 [L115] last_1_var_1_8 = var_1_8 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L88] var_1_3 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L91] var_1_4 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L94] var_1_5 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L126] RET updateVariables() [L127] CALL step() [L44] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L45] COND FALSE !(stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) [L48] var_1_6 = 128 [L50] COND FALSE !(\read(var_1_2)) [L53] var_1_1 = (var_1_4 + var_1_5) [L55] COND FALSE !(((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) [L58] var_1_9 = var_1_13 [L60] var_1_15 = (var_1_14 + var_1_16) [L61] COND FALSE !(\read(var_1_2)) [L64] COND TRUE var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13)))) [L65] var_1_17 = var_1_4 [L70] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) [L75] var_1_18 = var_1_16 [L77] signed long int stepLocal_1 = var_1_3 - var_1_5; [L78] COND FALSE !((var_1_17 + var_1_6) >= stepLocal_1) [L81] var_1_8 = var_1_6 [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L118-L119] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=3, var_1_16=2, var_1_17=4, var_1_18=2, var_1_1=114, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=128, var_1_8=128, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=3, var_1_16=2, var_1_17=4, var_1_18=2, var_1_1=114, var_1_2=0, var_1_3=-2, var_1_4=-252, var_1_5=878, var_1_6=128, var_1_8=128, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 17, 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=36occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 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 12:35:10,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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_1412b845-ddf0-4340-8f75-d6a836699dc5/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 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:13,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:13,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:35:13,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:13,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:13,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:13,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:13,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:13,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:13,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:13,412 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:13,413 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:13,420 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:13,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:13,437 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:13,441 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:13,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:13,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:13,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:13,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:13,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:13,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:13,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:13,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:13,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:13,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:35:13,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:13,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:35:13,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:13,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:13,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:13,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:13,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:35:13,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:13,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:13,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:13,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:13,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:13,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:13,478 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:35:13,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:35:13,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:13,483 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:13,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:13,484 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_1412b845-ddf0-4340-8f75-d6a836699dc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383f7b1e116e5846be240d7af86fbed6ff65b0137fd4aa005b1ff8a56ce3e117 [2024-11-02 12:35:14,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:14,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:14,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:14,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:14,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:14,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i Unable to find full path for "g++" [2024-11-02 12:35:16,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:16,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:16,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i [2024-11-02 12:35:16,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/ecbf9e918/4c4e5c70c9814ea78639b8f757dd8674/FLAG8d00b38b0 [2024-11-02 12:35:16,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/data/ecbf9e918/4c4e5c70c9814ea78639b8f757dd8674 [2024-11-02 12:35:16,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:16,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:16,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:16,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:16,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:16,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:16" (1/1) ... [2024-11-02 12:35:16,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4536a33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:16, skipping insertion in model container [2024-11-02 12:35:16,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:16" (1/1) ... [2024-11-02 12:35:16,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:17,114 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_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2024-11-02 12:35:17,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:17,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:17,265 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_1412b845-ddf0-4340-8f75-d6a836699dc5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-20.i[915,928] [2024-11-02 12:35:17,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:17,329 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:17,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17 WrapperNode [2024-11-02 12:35:17,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:17,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:17,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:17,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:17,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,421 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-02 12:35:17,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:17,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:17,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:17,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:17,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:17,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:17,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:17,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:17,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (1/1) ... [2024-11-02 12:35:17,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:17,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:17,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:17,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:35:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:17,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:17,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:22,527 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:22,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:22,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:22,550 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:22,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:22 BoogieIcfgContainer [2024-11-02 12:35:22,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:22,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:22,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:22,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:22,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:16" (1/3) ... [2024-11-02 12:35:22,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2119fc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:22, skipping insertion in model container [2024-11-02 12:35:22,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:17" (2/3) ... [2024-11-02 12:35:22,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2119fc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:22, skipping insertion in model container [2024-11-02 12:35:22,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:22" (3/3) ... [2024-11-02 12:35:22,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-20.i [2024-11-02 12:35:22,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:22,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:22,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:22,688 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;@6eb44288, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:22,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:35:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-02 12:35:22,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:22,730 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:22,731 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:22,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash 610254558, now seen corresponding path program 1 times [2024-11-02 12:35:22,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:22,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594280430] [2024-11-02 12:35:22,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:22,762 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 12:35:22,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:22,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:22,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:23,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:35:23,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-02 12:35:23,460 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:23,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:23,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594280430] [2024-11-02 12:35:23,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594280430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:23,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:23,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:35:23,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190375732] [2024-11-02 12:35:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:23,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:35:23,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:35:23,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:23,519 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-02 12:35:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:23,574 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-11-02 12:35:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:35:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-11-02 12:35:23,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:23,589 INFO L225 Difference]: With dead ends: 105 [2024-11-02 12:35:23,589 INFO L226 Difference]: Without dead ends: 52 [2024-11-02 12:35:23,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 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 12:35:23,598 INFO L432 NwaCegarLoop]: 76 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, 76 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 12:35:23,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:35:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-02 12:35:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-02 12:35:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:35:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-02 12:35:23,655 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 112 [2024-11-02 12:35:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:23,656 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-02 12:35:23,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-02 12:35:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-02 12:35:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-02 12:35:23,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:23,663 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:23,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:23,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:23,864 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:23,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1725260456, now seen corresponding path program 1 times [2024-11-02 12:35:23,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:23,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216710640] [2024-11-02 12:35:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:23,870 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 12:35:23,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:23,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:23,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1412b845-ddf0-4340-8f75-d6a836699dc5/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 12:35:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:24,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-02 12:35:24,662 INFO L278 TraceCheckSpWp]: Computing forward predicates...