./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh --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 e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:40:14,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:40:14,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:40:14,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:40:14,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:40:14,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:40:14,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:40:14,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:40:14,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:40:14,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:40:14,899 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:40:14,900 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:40:14,900 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:40:14,901 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:40:14,901 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:40:14,902 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:40:14,902 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:40:14,903 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:40:14,903 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:40:14,904 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:40:14,905 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:40:14,905 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:40:14,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:40:14,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:40:14,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:40:14,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:40:14,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:40:14,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:40:14,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:40:14,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:40:14,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:40:14,910 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:40:14,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:40:14,911 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:40:14,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:40:14,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:40:14,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:40:14,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:40:14,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:40:14,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:40:14,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:40:14,913 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:40:14,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:40:14,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:40:14,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:40:14,914 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:40:14,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:40:14,914 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef [2023-12-02 17:40:15,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:40:15,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:40:15,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:40:15,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:40:15,163 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:40:15,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:17,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:40:18,114 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:40:18,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:18,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/efb661b4e/127e24a7b3a0440bb9bedb0918e9e623/FLAG7c00fabf6 [2023-12-02 17:40:18,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/efb661b4e/127e24a7b3a0440bb9bedb0918e9e623 [2023-12-02 17:40:18,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:40:18,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:40:18,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:40:18,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:40:18,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:40:18,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da3e3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18, skipping insertion in model container [2023-12-02 17:40:18,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:40:18,297 WARN L240 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i[917,930] [2023-12-02 17:40:18,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:40:18,342 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:40:18,355 WARN L240 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i[917,930] [2023-12-02 17:40:18,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:40:18,388 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:40:18,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18 WrapperNode [2023-12-02 17:40:18,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:40:18,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:40:18,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:40:18,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:40:18,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,430 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-12-02 17:40:18,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:40:18,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:40:18,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:40:18,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:40:18,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:40:18,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:40:18,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:40:18,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:40:18,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (1/1) ... [2023-12-02 17:40:18,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:40:18,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:40:18,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:40:18,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:40:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:40:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:40:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:40:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:40:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:40:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:40:18,635 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:40:18,638 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:40:18,880 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:40:19,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:40:19,017 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:40:19,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:40:19 BoogieIcfgContainer [2023-12-02 17:40:19,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:40:19,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:40:19,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:40:19,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:40:19,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:40:18" (1/3) ... [2023-12-02 17:40:19,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d0aa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:40:19, skipping insertion in model container [2023-12-02 17:40:19,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:18" (2/3) ... [2023-12-02 17:40:19,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d0aa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:40:19, skipping insertion in model container [2023-12-02 17:40:19,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:40:19" (3/3) ... [2023-12-02 17:40:19,028 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:19,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:40:19,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:40:19,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:40:19,096 INFO L357 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, mHoare=true, 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;@64b8a3c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:40:19,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:40:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 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) [2023-12-02 17:40:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 17:40:19,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:40:19,110 INFO L195 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, 1] [2023-12-02 17:40:19,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:40:19,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:40:19,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1363301570, now seen corresponding path program 1 times [2023-12-02 17:40:19,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:40:19,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404547159] [2023-12-02 17:40:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:19,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:40:19,271 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:40:19,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292371730] [2023-12-02 17:40:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:40:19,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:40:19,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:40:19,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:40:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:40:19,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:40:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:40:19,558 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:40:19,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:40:19,561 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:40:19,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:40:19,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:40:19,769 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:40:19,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:40:19,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:40:19 BoogieIcfgContainer [2023-12-02 17:40:19,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:40:19,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:40:19,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:40:19,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:40:19,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:40:19" (3/4) ... [2023-12-02 17:40:19,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:40:19,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:40:19,846 INFO L158 Benchmark]: Toolchain (without parser) took 1706.80ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 104.7MB in the beginning and 138.5MB in the end (delta: -33.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,846 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:40:19,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.24ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 92.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.58ms. Allocated memory is still 146.8MB. Free memory was 92.3MB in the beginning and 89.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,848 INFO L158 Benchmark]: Boogie Preprocessor took 31.43ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 87.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,849 INFO L158 Benchmark]: RCFGBuilder took 555.46ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 87.8MB in the beginning and 174.2MB in the end (delta: -86.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,850 INFO L158 Benchmark]: TraceAbstraction took 818.77ms. Allocated memory is still 207.6MB. Free memory was 173.1MB in the beginning and 138.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 17:40:19,850 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 207.6MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:40:19,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.24ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 92.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.58ms. Allocated memory is still 146.8MB. Free memory was 92.3MB in the beginning and 89.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.43ms. Allocated memory is still 146.8MB. Free memory was 89.6MB in the beginning and 87.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.46ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 87.8MB in the beginning and 174.2MB in the end (delta: -86.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 818.77ms. Allocated memory is still 207.6MB. Free memory was 173.1MB in the beginning and 138.5MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 207.6MB. Free memory is still 138.5MB. 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 someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] signed char var_1_3 = -25; [L24] signed char var_1_4 = -64; [L25] signed char var_1_5 = -1; [L26] signed char var_1_6 = 50; [L27] unsigned char var_1_7 = 1; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 10.5; [L32] unsigned char var_1_15 = 0; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 50.75; [L36] float var_1_19 = 32.6; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L66] var_1_3 = __VERIFIER_nondet_char() [L67] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L69] var_1_4 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L72] var_1_5 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=50, var_1_7=1, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=50, var_1_7=1, var_1_8=0] [L75] var_1_6 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=1, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=1, var_1_8=0] [L78] var_1_7 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_8=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_8=0] [L80] CALL assume_abort_if_not(var_1_7 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_8=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_7 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_8=0] [L81] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L89] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L95] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L96] var_1_19 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L110] RET updateVariables() [L111] CALL step() [L40] signed long int stepLocal_1 = ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7; [L41] signed long int stepLocal_0 = var_1_5 - var_1_6; [L42] COND FALSE !(var_1_4 > stepLocal_0) [L47] var_1_1 = var_1_3 [L49] var_1_18 = var_1_19 [L50] COND TRUE (var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18 [L51] var_1_11 = (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)) [L53] signed long int stepLocal_3 = var_1_1; [L54] signed long int stepLocal_2 = var_1_1 * (var_1_1 * var_1_6); [L55] COND FALSE !(\read(var_1_11)) [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_4 > (var_1_5 - var_1_6)) ? (((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7) <= var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : 1) : (var_1_1 == ((signed long int) var_1_3))) && (var_1_11 ? ((var_1_1 > var_1_1) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (((var_1_1 % var_1_7) < (var_1_1 * (var_1_1 * var_1_6))) ? (var_1_8 == ((unsigned char) var_1_10)) : 1)) : 1)) && (((var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18) ? (var_1_11 == ((unsigned char) (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)))) : 1)) && (var_1_18 == ((float) var_1_19)) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-127, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-127, var_1_3=-127, var_1_4=-127, var_1_5=127, var_1_6=127, var_1_7=126, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 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 [2023-12-02 17:40:19,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh --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 e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:40:21,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:40:21,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:40:21,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:40:21,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:40:21,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:40:21,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:40:21,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:40:21,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:40:21,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:40:21,912 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:40:21,912 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:40:21,913 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:40:21,914 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:40:21,914 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:40:21,915 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:40:21,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:40:21,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:40:21,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:40:21,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:40:21,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:40:21,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:40:21,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:40:21,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:40:21,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:40:21,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:40:21,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:40:21,921 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:40:21,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:40:21,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:40:21,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:40:21,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:40:21,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:40:21,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:40:21,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:40:21,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:40:21,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:40:21,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:40:21,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:40:21,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:40:21,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:40:21,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:40:21,926 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:40:21,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:40:21,926 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e31d9a08847e078896c726c0e9a50e9a93a5328ffa0c1a5c412b7d6782006eef [2023-12-02 17:40:22,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:40:22,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:40:22,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:40:22,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:40:22,248 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:40:22,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:25,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:40:25,293 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:40:25,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:25,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/5f5a5bea2/f5d067259dab440c9ae9ee8800d1821f/FLAG374a13f73 [2023-12-02 17:40:25,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/data/5f5a5bea2/f5d067259dab440c9ae9ee8800d1821f [2023-12-02 17:40:25,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:40:25,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:40:25,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:40:25,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:40:25,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:40:25,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab69e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25, skipping insertion in model container [2023-12-02 17:40:25,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:40:25,527 WARN L240 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i[917,930] [2023-12-02 17:40:25,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:40:25,591 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:40:25,606 WARN L240 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_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-44.i[917,930] [2023-12-02 17:40:25,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:40:25,652 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:40:25,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25 WrapperNode [2023-12-02 17:40:25,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:40:25,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:40:25,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:40:25,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:40:25,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,708 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-12-02 17:40:25,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:40:25,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:40:25,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:40:25,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:40:25,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:40:25,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:40:25,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:40:25,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:40:25,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (1/1) ... [2023-12-02 17:40:25,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:40:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:40:25,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:40:25,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:40:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:40:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:40:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:40:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:40:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:40:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:40:25,918 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:40:25,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:40:27,444 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:40:27,487 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:40:27,487 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:40:27,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:40:27 BoogieIcfgContainer [2023-12-02 17:40:27,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:40:27,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:40:27,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:40:27,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:40:27,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:40:25" (1/3) ... [2023-12-02 17:40:27,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76492bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:40:27, skipping insertion in model container [2023-12-02 17:40:27,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:40:25" (2/3) ... [2023-12-02 17:40:27,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76492bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:40:27, skipping insertion in model container [2023-12-02 17:40:27,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:40:27" (3/3) ... [2023-12-02 17:40:27,496 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-44.i [2023-12-02 17:40:27,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:40:27,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:40:27,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:40:27,560 INFO L357 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, mHoare=true, 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;@ffffe82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:40:27,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:40:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 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) [2023-12-02 17:40:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 17:40:27,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:40:27,577 INFO L195 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] [2023-12-02 17:40:27,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:40:27,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:40:27,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1625380041, now seen corresponding path program 1 times [2023-12-02 17:40:27,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:40:27,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183562865] [2023-12-02 17:40:27,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:40:27,597 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 [2023-12-02 17:40:27,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:40:27,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 17:40:27,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25c03ca4-cf1b-4c37-b04a-6c32a8605c9c/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 17:40:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:40:28,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 17:40:28,017 INFO L285 TraceCheckSpWp]: Computing forward predicates...