./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:17,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:17,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:36:17,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:17,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:17,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:17,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:17,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:17,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:17,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:17,382 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:17,383 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:17,384 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:17,387 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:17,388 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:17,388 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:17,389 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:17,389 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:17,390 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:17,390 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:17,391 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:17,395 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:17,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:17,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:17,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:36:17,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:17,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:36:17,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:17,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:17,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:17,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:17,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:17,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:36:17,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:17,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:17,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:17,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:17,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:17,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:17,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:17,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:17,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:17,408 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:17,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:17,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:17,409 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:17,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:17,410 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-02 12:36:17,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:17,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:17,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:17,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:17,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:17,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i Unable to find full path for "g++" [2024-11-02 12:36:20,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:20,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:20,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-02 12:36:20,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/f246cc2c5/962b442ca4d445298db5d92afec28f63/FLAG58d4b02c0 [2024-11-02 12:36:20,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/f246cc2c5/962b442ca4d445298db5d92afec28f63 [2024-11-02 12:36:20,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:20,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:20,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:20,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:20,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:20,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5ad616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20, skipping insertion in model container [2024-11-02 12:36:20,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:20,672 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-02 12:36:20,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:20,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:20,761 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-02 12:36:20,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:20,827 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:20,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20 WrapperNode [2024-11-02 12:36:20,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:20,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:20,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:20,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:20,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,886 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-02 12:36:20,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:20,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:20,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:20,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:20,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:20,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:20,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:20,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:20,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (1/1) ... [2024-11-02 12:36:20,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:21,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:21,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:21,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:21,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:21,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:21,483 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:21,483 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:21,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:21,664 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:21,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:21 BoogieIcfgContainer [2024-11-02 12:36:21,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:21,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:21,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:21,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:21,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:20" (1/3) ... [2024-11-02 12:36:21,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb31e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:21, skipping insertion in model container [2024-11-02 12:36:21,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:20" (2/3) ... [2024-11-02 12:36:21,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb31e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:21, skipping insertion in model container [2024-11-02 12:36:21,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:21" (3/3) ... [2024-11-02 12:36:21,685 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-02 12:36:21,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:21,708 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:21,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:21,792 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;@71c855ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:21,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:21,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:36:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-02 12:36:21,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:21,809 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:21,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:21,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:21,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1610380726, now seen corresponding path program 1 times [2024-11-02 12:36:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:36:21,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253418069] [2024-11-02 12:36:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:36:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:36:22,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410508046] [2024-11-02 12:36:22,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:22,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:36:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:22,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:36:22,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:36:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:22,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:36:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:22,565 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:36:22,568 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:36:22,569 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:36:22,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:36:22,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:36:22,776 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:36:22,871 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:36:22,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:36:22 BoogieIcfgContainer [2024-11-02 12:36:22,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:36:22,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:36:22,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:36:22,879 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:36:22,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:21" (3/4) ... [2024-11-02 12:36:22,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:36:22,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:36:22,887 INFO L158 Benchmark]: Toolchain (without parser) took 2545.26ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 81.3MB in the end (delta: 33.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:22,888 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 70.6MB in the beginning and 70.4MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:22,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.19ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 99.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:36:22,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.00ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 97.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:22,892 INFO L158 Benchmark]: Boogie Preprocessor took 74.64ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:22,893 INFO L158 Benchmark]: RCFGBuilder took 701.29ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 71.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:36:22,895 INFO L158 Benchmark]: TraceAbstraction took 1205.20ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 81.3MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:22,895 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:22,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 70.6MB in the beginning and 70.4MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.19ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 99.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.00ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 97.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.64ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 95.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.29ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 71.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1205.20ms. Allocated memory is still 142.6MB. Free memory was 70.0MB in the beginning and 81.3MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] signed long int var_1_15 = 256; [L32] signed long int var_1_16 = 0; [L33] signed long int var_1_17 = 1000000000; [L34] signed long int var_1_18 = 50; [L35] signed long int var_1_19 = 9; [L36] signed long int var_1_20 = 1000000000; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] signed long int last_1_var_1_15 = 256; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_15 = var_1_15 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L85] var_1_17 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L88] var_1_18 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=256, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L44] COND FALSE !(\read(var_1_9)) [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 [L51] COND TRUE (var_1_20 + (var_1_20 / var_1_16)) == var_1_20 [L52] COND TRUE var_1_20 >= last_1_var_1_15 [L53] var_1_15 = (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))) [L58] COND FALSE !(var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((signed long int) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((signed long int) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((signed long int) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=0, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=0, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=0, var_1_12=-63, var_1_13=63, var_1_14=10, var_1_15=0, var_1_16=257, var_1_17=0, var_1_18=0, var_1_19=256, var_1_1=1, var_1_20=256, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 21, 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=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 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 12:36:22,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:25,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:25,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:36:25,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:25,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:25,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:25,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:25,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:25,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:25,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:25,653 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:25,653 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:25,654 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:25,656 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:25,656 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:25,656 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:25,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:25,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:25,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:36:25,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:36:25,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:25,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:25,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:25,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:25,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:36:25,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:36:25,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:25,663 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:36:25,664 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:36:25,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:25,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:25,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:25,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:36:25,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:25,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:25,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:25,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:25,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:25,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:25,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:36:25,669 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:25,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:25,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:25,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:25,670 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-02 12:36:26,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:26,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:26,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:26,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:26,121 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:26,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i Unable to find full path for "g++" [2024-11-02 12:36:28,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:28,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:28,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-02 12:36:28,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/298cf37c1/3ba52ddcb39b4d689df3ccab96ccc3d5/FLAG6d68a54d4 [2024-11-02 12:36:28,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/data/298cf37c1/3ba52ddcb39b4d689df3ccab96ccc3d5 [2024-11-02 12:36:28,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:28,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:28,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:28,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:28,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:28,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:28,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799b2793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28, skipping insertion in model container [2024-11-02 12:36:28,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:28,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:28,763 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-02 12:36:28,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:28,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:28,879 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_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-02 12:36:28,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:28,954 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:28,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28 WrapperNode [2024-11-02 12:36:28,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:28,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:28,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:28,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:28,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,054 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-02 12:36:29,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:29,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:29,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:29,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:29,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:29,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:29,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:29,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:29,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (1/1) ... [2024-11-02 12:36:29,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:29,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:29,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:36:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:29,304 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:29,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:35,713 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:35,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:35,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:35,733 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:35,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:35 BoogieIcfgContainer [2024-11-02 12:36:35,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:35,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:35,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:35,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:35,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:28" (1/3) ... [2024-11-02 12:36:35,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194a5198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:35, skipping insertion in model container [2024-11-02 12:36:35,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:28" (2/3) ... [2024-11-02 12:36:35,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194a5198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:35, skipping insertion in model container [2024-11-02 12:36:35,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:35" (3/3) ... [2024-11-02 12:36:35,745 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-02 12:36:35,769 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:35,769 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:35,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:35,879 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;@1c59e4b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:35,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:36:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:36:35,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:35,898 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:35,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:35,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:35,905 INFO L85 PathProgramCache]: Analyzing trace with hash 160648386, now seen corresponding path program 1 times [2024-11-02 12:36:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:35,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845803023] [2024-11-02 12:36:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:35,920 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 12:36:35,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:35,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:35,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:36,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:36:36,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-02 12:36:36,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:36:36,563 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845803023] [2024-11-02 12:36:36,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845803023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:36:36,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:36:36,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:36:36,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773049151] [2024-11-02 12:36:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:36:36,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:36:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:36,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:36:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:36:36,616 INFO L87 Difference]: Start difference. First operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:36:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:36,663 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-02 12:36:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:36:36,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 128 [2024-11-02 12:36:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:36,678 INFO L225 Difference]: With dead ends: 103 [2024-11-02 12:36:36,678 INFO L226 Difference]: Without dead ends: 51 [2024-11-02 12:36:36,684 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 12:36:36,690 INFO L432 NwaCegarLoop]: 75 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, 75 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 12:36:36,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:36:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-02 12:36:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-02 12:36:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:36:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-02 12:36:36,780 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 128 [2024-11-02 12:36:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:36,781 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-02 12:36:36,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:36:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-02 12:36:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:36:36,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:36,787 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:36,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:36:36,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:36,992 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:36,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:36,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626948, now seen corresponding path program 1 times [2024-11-02 12:36:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:36,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611201171] [2024-11-02 12:36:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:36,996 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 12:36:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:37,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:37,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:37,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:36:37,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-02 12:36:38,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 12:36:39,339 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:36:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611201171] [2024-11-02 12:36:39,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611201171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1171214193] [2024-11-02 12:36:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:36:39,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:36:39,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:36:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:39,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:36:39,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-02 12:36:40,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 12:36:41,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1171214193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:41,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421146848] [2024-11-02 12:36:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:41,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:36:41,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:41,582 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:36:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-02 12:36:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:41,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:36:41,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:36:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-02 12:36:42,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:36:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-02 12:36:43,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421146848] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:36:43,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-02 12:36:43,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-02 12:36:43,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365646501] [2024-11-02 12:36:43,445 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-02 12:36:43,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:36:43,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:36:43,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:36:43,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:36:43,449 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-02 12:36:46,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:36:48,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:36:50,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:36:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:50,337 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2024-11-02 12:36:50,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-02 12:36:50,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 128 [2024-11-02 12:36:50,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:50,376 INFO L225 Difference]: With dead ends: 107 [2024-11-02 12:36:50,377 INFO L226 Difference]: Without dead ends: 59 [2024-11-02 12:36:50,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 754 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:36:50,380 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 64 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:50,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 100 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2024-11-02 12:36:50,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-02 12:36:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-02 12:36:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:36:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2024-11-02 12:36:50,403 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 128 [2024-11-02 12:36:50,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:50,404 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2024-11-02 12:36:50,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-02 12:36:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-02 12:36:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-02 12:36:50,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:50,408 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:50,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:36:50,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:36:50,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-02 12:36:51,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:51,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:51,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:51,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1224280322, now seen corresponding path program 1 times [2024-11-02 12:36:51,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:36:51,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51517456] [2024-11-02 12:36:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:51,012 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 12:36:51,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:36:51,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/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 12:36:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:36:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:51,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:36:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:36:51,858 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-02 12:36:51,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [317986235] [2024-11-02 12:36:51,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:51,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:36:51,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:36:51,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:36:51,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda1b306-4f48-4feb-83ce-e3c03da8ed8a/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-02 12:36:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:52,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-02 12:36:52,661 INFO L278 TraceCheckSpWp]: Computing forward predicates...