./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18ea33b0bf2a919e7779554fcdd8a180cfa9d9149ab7a2eb5e700585e32d26e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:10,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:11,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:23:11,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:11,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:11,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:11,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:11,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:11,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:11,164 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:11,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:11,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:11,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:11,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:11,169 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:11,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:11,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:11,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:11,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:11,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:11,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:11,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:11,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:11,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:11,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:11,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:11,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:11,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:11,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:11,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:11,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:11,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:11,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:11,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:11,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:11,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:11,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:11,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:11,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:11,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:11,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:11,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:11,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ea33b0bf2a919e7779554fcdd8a180cfa9d9149ab7a2eb5e700585e32d26e3 [2023-11-21 22:23:11,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:11,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:11,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:11,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:11,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:11,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:14,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:14,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:14,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:15,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/987c60560/e0716a20a9444592aa95d74c56d8a311/FLAG876bad18f [2023-11-21 22:23:15,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/987c60560/e0716a20a9444592aa95d74c56d8a311 [2023-11-21 22:23:15,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:15,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:15,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:15,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:15,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:15,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60761a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15, skipping insertion in model container [2023-11-21 22:23:15,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:15,272 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i[916,929] [2023-11-21 22:23:15,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:15,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:15,357 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i[916,929] [2023-11-21 22:23:15,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:15,417 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:15,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15 WrapperNode [2023-11-21 22:23:15,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:15,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:15,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:15,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:15,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,515 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-21 22:23:15,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:15,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:15,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:15,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:15,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,544 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,592 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:23:15,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:15,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:15,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:15,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:15,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (1/1) ... [2023-11-21 22:23:15,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:15,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:15,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:15,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:23:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:23:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:23:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:15,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:15,854 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:15,856 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:16,253 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:16,557 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:16,557 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:23:16,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:16 BoogieIcfgContainer [2023-11-21 22:23:16,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:16,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:16,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:16,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:16,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:15" (1/3) ... [2023-11-21 22:23:16,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242acd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:16, skipping insertion in model container [2023-11-21 22:23:16,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:15" (2/3) ... [2023-11-21 22:23:16,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242acd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:16, skipping insertion in model container [2023-11-21 22:23:16,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:16" (3/3) ... [2023-11-21 22:23:16,573 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:16,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:16,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:16,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:16,661 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=PETRI_NET, 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;@305b6ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:16,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:23:16,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:23:16,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:16,679 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:16,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:16,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 319223809, now seen corresponding path program 1 times [2023-11-21 22:23:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:16,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83386746] [2023-11-21 22:23:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:16,930 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:23:16,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561835840] [2023-11-21 22:23:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:16,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:23:16,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:16,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:23:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:23:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:17,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:17,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:17,380 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:23:17,382 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:23:17,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:17,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:23:17,609 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:23:17,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:23:17,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:23:17 BoogieIcfgContainer [2023-11-21 22:23:17,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:23:17,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:17,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:17,721 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:17,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:16" (3/4) ... [2023-11-21 22:23:17,724 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:23:17,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:17,727 INFO L158 Benchmark]: Toolchain (without parser) took 2689.70ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 73.6MB in the beginning and 116.5MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:17,727 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:17,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 60.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:23:17,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.24ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 56.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:17,729 INFO L158 Benchmark]: Boogie Preprocessor took 124.26ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 129.4MB in the end (delta: -72.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-21 22:23:17,730 INFO L158 Benchmark]: RCFGBuilder took 917.43ms. Allocated memory is still 157.3MB. Free memory was 129.4MB in the beginning and 87.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 22:23:17,731 INFO L158 Benchmark]: TraceAbstraction took 1158.09ms. Allocated memory is still 157.3MB. Free memory was 86.5MB in the beginning and 116.5MB in the end (delta: -30.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:23:17,731 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 157.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:17,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 60.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.24ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 56.9MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.26ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 56.9MB in the beginning and 129.4MB in the end (delta: -72.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 917.43ms. Allocated memory is still 157.3MB. Free memory was 129.4MB in the beginning and 87.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1158.09ms. Allocated memory is still 157.3MB. Free memory was 86.5MB in the beginning and 116.5MB in the end (delta: -30.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 157.3MB. Free memory is still 116.5MB. 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 shiftLeft at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 128; [L27] unsigned char var_1_8 = 10; [L28] unsigned char var_1_9 = 2; [L29] signed long int var_1_10 = 0; [L30] signed long int var_1_11 = 32; [L31] signed long int var_1_13 = 127; [L32] signed long int var_1_14 = 999; [L33] signed long int var_1_15 = 1000000000; [L34] signed long int var_1_16 = 256; [L35] signed long int last_1_var_1_10 = 0; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_10 = var_1_10 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=8, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L75] var_1_5 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L77] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=-32, var_1_7=128, var_1_8=10, var_1_9=2] [L79] var_1_6 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L82] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=128, var_1_8=10, var_1_9=2] [L83] var_1_7 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=10, var_1_9=2] [L85] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=10, var_1_9=2] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=10, var_1_9=2] [L86] var_1_8 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=2] [L88] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=2] [L89] var_1_9 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L91] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=127, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L92] var_1_13 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L94] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=999, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L95] var_1_14 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L97] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1000000000, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L98] var_1_15 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L100] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=256, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L114] RET updateVariables() [L115] CALL step() [L39] signed long int stepLocal_0 = (last_1_var_1_10 / var_1_5) % var_1_6; [L40] COND TRUE \read(var_1_2) [L41] COND FALSE !(last_1_var_1_10 > stepLocal_0) [L47] unsigned char stepLocal_2 = var_1_1; [L48] signed long int stepLocal_1 = var_1_1 + var_1_1; [L49] COND TRUE stepLocal_1 < var_1_6 [L50] COND TRUE \read(var_1_2) [L51] COND FALSE !(var_1_5 > stepLocal_2) [L60] unsigned char stepLocal_4 = var_1_1; [L61] EXPR (var_1_9 / var_1_5) << var_1_6 [L61] signed long int stepLocal_3 = (var_1_9 / var_1_5) << var_1_6; [L62] COND TRUE stepLocal_4 > var_1_10 [L63] COND FALSE !(var_1_1 <= stepLocal_3) [L69] var_1_16 = var_1_15 [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((signed long int) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((signed long int) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L106] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((signed long int) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((signed long int) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L106] EXPR (var_1_9 / var_1_5) << var_1_6 [L106] EXPR (var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((signed long int) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((signed long int) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))) [L106] EXPR ((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((signed long int) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((signed long int) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15)))) [L106-L107] return (((var_1_2 ? ((last_1_var_1_10 > ((last_1_var_1_10 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) ((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) > (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9))))) : 1) : (var_1_1 == ((unsigned char) var_1_9))) && (((var_1_1 + var_1_1) < var_1_6) ? (var_1_2 ? ((var_1_5 > var_1_1) ? (var_1_10 == ((signed long int) var_1_1)) : 1) : (var_1_10 == ((signed long int) var_1_8))) : (var_1_10 == ((signed long int) var_1_9)))) && ((var_1_1 > var_1_10) ? ((var_1_1 <= ((var_1_9 / var_1_5) << var_1_6)) ? (var_1_11 == ((signed long int) (var_1_13 + var_1_14))) : 1) : (var_1_11 == ((signed long int) (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) - var_1_15))))) && (var_1_16 == ((signed long int) var_1_15)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=0, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, var_1_10=0, var_1_11=32, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=0, var_1_16=0, var_1_1=64, var_1_2=1, var_1_5=-253, var_1_6=129, var_1_7=0, var_1_8=1, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 20, 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=38occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 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 [2023-11-21 22:23:17,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18ea33b0bf2a919e7779554fcdd8a180cfa9d9149ab7a2eb5e700585e32d26e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:20,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:20,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:23:20,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:20,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:20,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:20,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:20,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:20,656 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:20,661 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:20,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:20,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:20,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:20,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:20,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:20,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:20,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:20,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:20,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:20,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:20,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:20,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:20,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:20,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:23:20,670 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:23:20,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:23:20,671 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:20,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:20,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:20,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:20,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:20,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:20,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:20,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:20,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:20,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:20,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:20,676 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:23:20,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:23:20,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:20,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:20,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:20,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:20,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:20,678 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:23:20,679 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18ea33b0bf2a919e7779554fcdd8a180cfa9d9149ab7a2eb5e700585e32d26e3 [2023-11-21 22:23:21,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:21,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:21,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:21,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:21,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:21,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:24,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:24,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:24,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:24,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/aef5369c7/f6822254a3a24538b3fba453f80257ec/FLAGbae72f85f [2023-11-21 22:23:24,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/data/aef5369c7/f6822254a3a24538b3fba453f80257ec [2023-11-21 22:23:24,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:24,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:24,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:24,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:24,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:24,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58265d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24, skipping insertion in model container [2023-11-21 22:23:24,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:24,845 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i[916,929] [2023-11-21 22:23:24,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:24,962 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:24,979 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_6d8983ea-98a9-40b2-85ad-0971834ee9e7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-30.i[916,929] [2023-11-21 22:23:25,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:25,056 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:25,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25 WrapperNode [2023-11-21 22:23:25,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:25,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:25,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:25,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:25,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,135 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-21 22:23:25,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:25,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:25,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:25,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:25,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,176 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,192 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:23:25,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:25,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:25,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:25,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:25,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (1/1) ... [2023-11-21 22:23:25,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:25,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:25,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:23:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:23:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:23:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:25,448 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:25,450 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:25,900 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:26,093 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:26,105 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:23:26,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:26 BoogieIcfgContainer [2023-11-21 22:23:26,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:26,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:26,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:26,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:26,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:24" (1/3) ... [2023-11-21 22:23:26,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69025ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:26, skipping insertion in model container [2023-11-21 22:23:26,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:25" (2/3) ... [2023-11-21 22:23:26,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69025ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:26, skipping insertion in model container [2023-11-21 22:23:26,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:26" (3/3) ... [2023-11-21 22:23:26,119 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-30.i [2023-11-21 22:23:26,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:26,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:26,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:26,205 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=PETRI_NET, 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;@780f8373, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:26,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:23:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:23:26,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:26,225 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:26,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:26,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:26,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1211647467, now seen corresponding path program 1 times [2023-11-21 22:23:26,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:23:26,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439168323] [2023-11-21 22:23:26,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:26,254 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 [2023-11-21 22:23:26,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:23:26,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:23:26,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d8983ea-98a9-40b2-85ad-0971834ee9e7/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:23:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:26,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:23:26,648 INFO L285 TraceCheckSpWp]: Computing forward predicates...