./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-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_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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_8eea5d1c-10b2-48b2-bae1-18405e65f207/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 d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:42,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:42,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:29:42,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:42,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:42,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:42,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:42,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:42,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:42,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:42,443 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:42,443 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:42,444 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:42,444 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:29:42,445 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:42,449 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:42,449 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:29:42,450 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:29:42,450 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:42,450 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:29:42,451 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:29:42,451 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:29:42,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:42,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:42,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:42,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:29:42,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:42,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:42,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:42,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:42,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:42,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:42,459 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:42,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:42,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:42,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:42,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:42,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:42,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:42,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:42,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:42,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:42,463 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:29:42,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:29:42,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:42,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:42,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:42,465 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_8eea5d1c-10b2-48b2-bae1-18405e65f207/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf [2024-11-02 12:29:42,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:42,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:42,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:42,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:42,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:42,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i Unable to find full path for "g++" [2024-11-02 12:29:44,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:45,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:45,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-02 12:29:45,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/02e7829f7/41d655e85be74341b29cbc792866d1a2/FLAG368f21b54 [2024-11-02 12:29:45,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/02e7829f7/41d655e85be74341b29cbc792866d1a2 [2024-11-02 12:29:45,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:45,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:45,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:45,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:45,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:45,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78246f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45, skipping insertion in model container [2024-11-02 12:29:45,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:45,684 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_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-02 12:29:45,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:45,752 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:45,761 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-02 12:29:45,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:45,818 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:45,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45 WrapperNode [2024-11-02 12:29:45,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:45,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:45,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:45,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:45,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,866 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2024-11-02 12:29:45,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:45,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:45,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:45,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:45,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:45,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:45,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:45,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:45,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (1/1) ... [2024-11-02 12:29:45,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:45,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:29:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:46,038 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:46,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:46,346 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:46,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:46,495 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:46,495 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:46,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:46 BoogieIcfgContainer [2024-11-02 12:29:46,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:46,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:46,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:46,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:46,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:45" (1/3) ... [2024-11-02 12:29:46,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd5c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:46, skipping insertion in model container [2024-11-02 12:29:46,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:45" (2/3) ... [2024-11-02 12:29:46,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd5c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:46, skipping insertion in model container [2024-11-02 12:29:46,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:46" (3/3) ... [2024-11-02 12:29:46,510 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-02 12:29:46,530 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:46,530 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:46,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:46,617 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;@1ed48113, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:46,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:29:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-02 12:29:46,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:46,629 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:46,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:46,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1980960793, now seen corresponding path program 1 times [2024-11-02 12:29:46,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:46,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365263665] [2024-11-02 12:29:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:46,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:47,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:29:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:29:47,291 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:29:47,293 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:29:47,294 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:29:47,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:29:47,301 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:29:47,407 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:47,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:47 BoogieIcfgContainer [2024-11-02 12:29:47,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:47,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:47,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:47,412 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:47,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:46" (3/4) ... [2024-11-02 12:29:47,415 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:29:47,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:47,418 INFO L158 Benchmark]: Toolchain (without parser) took 1946.08ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 134.4MB in the beginning and 154.5MB in the end (delta: -20.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:47,419 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 178.3MB. Free memory was 119.2MB in the beginning and 119.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:47,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.85ms. Allocated memory is still 178.3MB. Free memory was 134.4MB in the beginning and 120.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:29:47,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.76ms. Allocated memory is still 178.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:47,422 INFO L158 Benchmark]: Boogie Preprocessor took 28.31ms. Allocated memory is still 178.3MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:47,424 INFO L158 Benchmark]: RCFGBuilder took 600.22ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 91.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:47,425 INFO L158 Benchmark]: TraceAbstraction took 908.65ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 90.3MB in the beginning and 154.5MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:47,426 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 220.2MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:47,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 178.3MB. Free memory was 119.2MB in the beginning and 119.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.85ms. Allocated memory is still 178.3MB. Free memory was 134.4MB in the beginning and 120.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.76ms. Allocated memory is still 178.3MB. Free memory was 119.7MB in the beginning and 117.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.31ms. Allocated memory is still 178.3MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.22ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 91.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 908.65ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 90.3MB in the beginning and 154.5MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 220.2MB. Free memory is still 154.5MB. 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 63, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someUnaryDOUBLEoperation 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] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = -0.8; [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] float var_1_18 = -0.5; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] double last_1_var_1_3 = 9.15; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_3 = var_1_3 [L113] RET updateLastVariables() [L114] 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=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, 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=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, 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=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, 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=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_7=197/4, var_1_9=-10] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L80] var_1_10 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L83] var_1_11 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, 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_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L86] var_1_12 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L89] var_1_13 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L95] var_1_17 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L98] var_1_21 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=32, var_1_17=1073741823, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=4294967294, var_1_3=183/20, var_1_9=-10] [L114] RET updateVariables() [L115] 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 TRUE (- (var_1_10 - var_1_11)) >= stepLocal_1 [L50] var_1_9 = (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (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 [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) var_1_8)) : (var_1_3 == ((double) 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 == ((float) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=0, var_1_17=1073741823, var_1_18=4294967299, var_1_19=0, var_1_1=4294967294, var_1_20=-255, var_1_21=-255, var_1_2=4294967294, var_1_3=4294967299, var_1_8=4294967299, var_1_9=-126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=0, var_1_15=0, var_1_17=1073741823, var_1_18=4294967299, var_1_19=0, var_1_1=4294967294, var_1_20=-255, var_1_21=-255, var_1_2=4294967294, var_1_3=4294967299, var_1_8=4294967299, var_1_9=-126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 12:29:47,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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_8eea5d1c-10b2-48b2-bae1-18405e65f207/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 d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:50,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:50,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:29:50,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:50,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:50,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:50,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:50,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:50,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:50,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:50,434 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:50,434 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:50,435 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:50,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:50,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:50,439 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:50,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:50,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:50,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:50,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:50,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:50,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:50,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:50,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:50,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:29:50,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:29:50,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:50,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:29:50,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:50,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:50,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:50,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:50,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:29:50,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:50,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:50,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:50,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:50,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:50,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:50,453 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:29:50,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:50,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:50,455 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:50,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:50,456 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_8eea5d1c-10b2-48b2-bae1-18405e65f207/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf [2024-11-02 12:29:50,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:51,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:51,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:51,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:51,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:51,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i Unable to find full path for "g++" [2024-11-02 12:29:53,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:53,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:53,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-02 12:29:53,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/b7d1166fd/c67bc0582805441faf0b998737f64098/FLAGb74a31e0b [2024-11-02 12:29:53,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/data/b7d1166fd/c67bc0582805441faf0b998737f64098 [2024-11-02 12:29:53,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:53,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:53,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:53,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:53,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:53,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:53" (1/1) ... [2024-11-02 12:29:53,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4025a9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:53, skipping insertion in model container [2024-11-02 12:29:53,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:53" (1/1) ... [2024-11-02 12:29:53,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:54,109 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_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-02 12:29:54,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:54,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:54,193 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_8eea5d1c-10b2-48b2-bae1-18405e65f207/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-02 12:29:54,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:54,264 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:54,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54 WrapperNode [2024-11-02 12:29:54,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:54,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:54,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:54,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:54,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,335 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-02 12:29:54,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:54,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:54,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:54,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:54,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:54,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:54,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:54,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:54,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (1/1) ... [2024-11-02 12:29:54,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:54,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:54,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:54,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:29:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:54,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:54,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:55,741 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:55,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:55,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:55,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:55,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:55 BoogieIcfgContainer [2024-11-02 12:29:55,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:55,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:55,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:55,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:55,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:53" (1/3) ... [2024-11-02 12:29:55,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17effcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:55, skipping insertion in model container [2024-11-02 12:29:55,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:54" (2/3) ... [2024-11-02 12:29:55,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17effcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:55, skipping insertion in model container [2024-11-02 12:29:55,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:55" (3/3) ... [2024-11-02 12:29:55,773 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-02 12:29:55,793 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:55,793 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:55,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:55,922 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;@24d03a76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:55,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:29:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-02 12:29:55,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:55,945 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:55,947 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:55,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:55,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1888740282, now seen corresponding path program 1 times [2024-11-02 12:29:55,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:55,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043410066] [2024-11-02 12:29:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:55,971 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 12:29:55,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:55,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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 12:29:55,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eea5d1c-10b2-48b2-bae1-18405e65f207/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 12:29:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:56,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-02 12:29:56,305 INFO L278 TraceCheckSpWp]: Computing forward predicates...