./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:45,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:45,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:45,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:45,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:45,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:45,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:45,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:45,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:45,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:45,429 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:45,430 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:45,430 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:45,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:45,431 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:45,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:45,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:45,435 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:45,436 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:45,436 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:45,437 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:45,438 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:45,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:45,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:45,440 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:45,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:45,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:45,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:45,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:45,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:45,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:45,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:45,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:45,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:45,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:45,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:45,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:45,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:45,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:45,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:45,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:45,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:45,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:45,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:45,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:45,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:45,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:45,448 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2024-11-02 12:23:45,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:45,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:45,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:45,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:45,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:45,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i Unable to find full path for "g++" [2024-11-02 12:23:47,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:48,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:48,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2024-11-02 12:23:48,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/ea73060f7/1a9a6f2a36e94022995e6c8e139d3bcc/FLAG1db53e411 [2024-11-02 12:23:48,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/ea73060f7/1a9a6f2a36e94022995e6c8e139d3bcc [2024-11-02 12:23:48,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:48,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:48,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:48,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:48,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:48,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:48,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46eede6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48, skipping insertion in model container [2024-11-02 12:23:48,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:48,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:48,748 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2024-11-02 12:23:48,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:48,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:48,885 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2024-11-02 12:23:48,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:48,960 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:48,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48 WrapperNode [2024-11-02 12:23:48,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:48,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:48,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:48,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:48,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:48,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,042 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-02 12:23:49,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:49,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:49,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:49,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:49,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:49,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:49,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:49,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:49,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (1/1) ... [2024-11-02 12:23:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:49,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:49,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:49,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:49,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:49,663 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:49,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:49,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:49,808 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:49,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:49 BoogieIcfgContainer [2024-11-02 12:23:49,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:49,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:49,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:49,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:49,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:48" (1/3) ... [2024-11-02 12:23:49,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3c04fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:49, skipping insertion in model container [2024-11-02 12:23:49,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48" (2/3) ... [2024-11-02 12:23:49,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3c04fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:49, skipping insertion in model container [2024-11-02 12:23:49,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:49" (3/3) ... [2024-11-02 12:23:49,818 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2024-11-02 12:23:49,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:49,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:49,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:49,900 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;@1490df17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:49,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:23:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-02 12:23:49,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:49,915 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:49,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:49,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash -167717452, now seen corresponding path program 1 times [2024-11-02 12:23:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:49,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267510025] [2024-11-02 12:23:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:50,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:23:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:50,641 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:23:50,643 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:23:50,644 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:23:50,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:23:50,653 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:23:50,751 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:23:50,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:50 BoogieIcfgContainer [2024-11-02 12:23:50,755 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:50,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:50,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:50,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:50,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:49" (3/4) ... [2024-11-02 12:23:50,762 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:23:50,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:50,764 INFO L158 Benchmark]: Toolchain (without parser) took 2303.33ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 67.1MB in the end (delta: 58.3MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,766 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:50,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.32ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 110.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.64ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,769 INFO L158 Benchmark]: Boogie Preprocessor took 38.38ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,769 INFO L158 Benchmark]: RCFGBuilder took 723.84ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 125.9MB in the end (delta: -18.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,770 INFO L158 Benchmark]: TraceAbstraction took 944.38ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 68.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-02 12:23:50,770 INFO L158 Benchmark]: Witness Printer took 6.96ms. Allocated memory is still 167.8MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 957.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:50,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.32ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 110.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.64ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.38ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.84ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 125.9MB in the end (delta: -18.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 944.38ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 68.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 6.96ms. Allocated memory is still 167.8MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 957.0kB). 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 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] signed long int var_1_3 = 9; [L25] signed long int var_1_6 = 1000000; [L26] signed long int var_1_7 = 49; [L27] signed long int var_1_8 = 0; [L28] signed char var_1_9 = -10; [L29] unsigned short int var_1_10 = 58996; [L30] unsigned short int var_1_11 = 32; [L31] signed char var_1_12 = 32; [L32] signed char var_1_13 = 16; [L33] signed char var_1_14 = 2; [L34] signed long int var_1_15 = 32; [L35] signed long int var_1_17 = 1000000000; [L36] signed long int var_1_18 = 0; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] signed long int last_1_var_1_3 = 9; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] last_1_var_1_3 = var_1_3 [L116] RET updateLastVariables() [L117] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L73] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L77] var_1_7 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L79] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L80] var_1_8 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L83] var_1_10 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L86] var_1_11 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L98] var_1_17 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L103] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-2, var_1_3=9, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-10] [L117] RET updateVariables() [L118] CALL step() [L44] var_1_1 = var_1_2 [L45] var_1_18 = var_1_8 [L46] var_1_19 = var_1_12 [L47] var_1_20 = var_1_21 [L48] signed char stepLocal_1 = var_1_19; [L49] COND FALSE !((- (var_1_10 - var_1_11)) >= stepLocal_1) [L52] var_1_9 = ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))) [L54] COND TRUE \read(var_1_20) [L55] var_1_15 = (var_1_12 - var_1_14) [L59] signed long int stepLocal_0 = var_1_15; [L60] COND TRUE stepLocal_0 < var_1_1 [L61] var_1_3 = -0.5 [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((signed long int) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((signed long int) var_1_8)) : (var_1_3 == ((signed long int) var_1_8))))) && (((- (var_1_10 - var_1_11)) >= var_1_19) ? (var_1_9 == ((signed char) (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))))) : (var_1_9 == ((signed char) ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))))))) && (var_1_20 ? (var_1_15 == ((signed long int) (var_1_12 - var_1_14))) : (var_1_15 == ((signed long int) (var_1_13 - ((var_1_17 - 4) + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) && (var_1_18 == ((signed long int) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=-127, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=-2, var_1_20=-255, var_1_21=-255, var_1_2=-2, var_1_3=0, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32765, var_1_12=-1, var_1_13=126, var_1_14=126, var_1_15=-127, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=-2, var_1_20=-255, var_1_21=-255, var_1_2=-2, var_1_3=0, var_1_6=0, var_1_7=8, var_1_8=0, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:23:50,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:53,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:53,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:23:53,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:53,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:54,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:54,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:54,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:54,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:54,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:54,013 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:54,013 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:54,014 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:54,014 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:54,015 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:54,017 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:54,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:54,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:54,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:54,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:54,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:54,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:54,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:54,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:54,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:54,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:23:54,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:54,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:23:54,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:54,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:54,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:54,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:54,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:23:54,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:54,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:54,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:54,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:54,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:54,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:54,031 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:23:54,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:23:54,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:54,033 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:54,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:54,033 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2024-11-02 12:23:54,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:54,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:54,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:54,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:54,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:54,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i Unable to find full path for "g++" [2024-11-02 12:23:57,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:57,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:57,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2024-11-02 12:23:57,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/8dcc00b06/5402590c853b4cdda09e30d7dfad2a53/FLAGbdf8e9485 [2024-11-02 12:23:57,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/data/8dcc00b06/5402590c853b4cdda09e30d7dfad2a53 [2024-11-02 12:23:57,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:57,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:57,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:57,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:57,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:57,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:57" (1/1) ... [2024-11-02 12:23:57,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27860c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:57, skipping insertion in model container [2024-11-02 12:23:57,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:57" (1/1) ... [2024-11-02 12:23:57,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:57,815 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2024-11-02 12:23:57,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:57,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:57,933 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_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2024-11-02 12:23:57,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:58,028 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:58,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58 WrapperNode [2024-11-02 12:23:58,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:58,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:58,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:58,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:58,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,103 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-02 12:23:58,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:58,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:58,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:58,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:58,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:58,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:58,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:58,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:58,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (1/1) ... [2024-11-02 12:23:58,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:58,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:58,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:23:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:58,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:58,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:58,856 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:58,856 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:58,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:58,878 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:58,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:58 BoogieIcfgContainer [2024-11-02 12:23:58,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:58,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:58,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:58,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:58,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:57" (1/3) ... [2024-11-02 12:23:58,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bd9980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:58, skipping insertion in model container [2024-11-02 12:23:58,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:58" (2/3) ... [2024-11-02 12:23:58,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bd9980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:58, skipping insertion in model container [2024-11-02 12:23:58,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:58" (3/3) ... [2024-11-02 12:23:58,915 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2024-11-02 12:23:58,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:58,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:59,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:59,086 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;@1211f7de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:59,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:23:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:23:59,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:59,111 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:59,112 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:59,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:59,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1489822920, now seen corresponding path program 1 times [2024-11-02 12:23:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:59,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997655197] [2024-11-02 12:23:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:59,140 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 12:23:59,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:59,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 12:23:59,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 12:23:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:59,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:23:59,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-02 12:23:59,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:59,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:59,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997655197] [2024-11-02 12:23:59,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997655197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:59,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:59,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:59,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897404739] [2024-11-02 12:23:59,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:59,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:23:59,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:23:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:59,512 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:23:59,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:59,551 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2024-11-02 12:23:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:23:59,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-02 12:23:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:59,562 INFO L225 Difference]: With dead ends: 107 [2024-11-02 12:23:59,562 INFO L226 Difference]: Without dead ends: 53 [2024-11-02 12:23:59,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 12:23:59,572 INFO L432 NwaCegarLoop]: 78 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, 78 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 12:23:59,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:23:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-02 12:23:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-02 12:23:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:23:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-11-02 12:23:59,648 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 134 [2024-11-02 12:23:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:59,651 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-11-02 12:23:59,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:23:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-11-02 12:23:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:23:59,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:59,657 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:59,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:23:59,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 12:23:59,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:59,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash 945914760, now seen corresponding path program 1 times [2024-11-02 12:23:59,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:59,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131383932] [2024-11-02 12:23:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:59,861 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 12:23:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:59,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 12:23:59,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7af0083-814a-44b0-ba9e-67fdc6c03dfa/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 12:24:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:24:00,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-02 12:24:00,048 INFO L278 TraceCheckSpWp]: Computing forward predicates...