./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya --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 5c3a6cfbeb64be96bf4eacae875b7628036a7e9302f517cb52ffb38da5c714c2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:53:59,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:53:59,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:53:59,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:53:59,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:53:59,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:53:59,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:53:59,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:53:59,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:53:59,573 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:53:59,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:53:59,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:53:59,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:53:59,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:53:59,576 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:53:59,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:53:59,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:53:59,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:53:59,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:53:59,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:53:59,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:53:59,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:53:59,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:53:59,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:53:59,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:53:59,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:53:59,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:53:59,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:53:59,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:53:59,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:53:59,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:53:59,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:53:59,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:53:59,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:53:59,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:53:59,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:53:59,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:53:59,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:53:59,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:53:59,587 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:53:59,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:53:59,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:53:59,587 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c3a6cfbeb64be96bf4eacae875b7628036a7e9302f517cb52ffb38da5c714c2 [2023-11-29 04:53:59,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:53:59,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:53:59,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:53:59,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:53:59,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:53:59,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:02,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:54:03,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:54:03,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:03,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/665261b4f/3297d648dc4643cb8bb5ac1ce888639d/FLAG18910ed74 [2023-11-29 04:54:03,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/665261b4f/3297d648dc4643cb8bb5ac1ce888639d [2023-11-29 04:54:03,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:54:03,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:54:03,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:54:03,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:54:03,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:54:03,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d88f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03, skipping insertion in model container [2023-11-29 04:54:03,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:54:03,382 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i[917,930] [2023-11-29 04:54:03,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:54:03,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:54:03,445 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i[917,930] [2023-11-29 04:54:03,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:54:03,482 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:54:03,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03 WrapperNode [2023-11-29 04:54:03,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:54:03,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:54:03,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:54:03,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:54:03,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,527 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-11-29 04:54:03,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:54:03,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:54:03,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:54:03,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:54:03,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,559 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:54:03,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:54:03,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:54:03,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:54:03,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:54:03,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (1/1) ... [2023-11-29 04:54:03,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:54:03,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:54:03,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:54:03,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:54:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:54:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:54:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:54:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:54:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:54:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:54:03,729 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:54:03,732 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:54:03,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:54:03,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:54:03,955 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:54:03,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:54:03 BoogieIcfgContainer [2023-11-29 04:54:03,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:54:03,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:54:03,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:54:03,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:54:03,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:54:03" (1/3) ... [2023-11-29 04:54:03,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d1352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:54:03, skipping insertion in model container [2023-11-29 04:54:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:03" (2/3) ... [2023-11-29 04:54:03,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d1352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:54:03, skipping insertion in model container [2023-11-29 04:54:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:54:03" (3/3) ... [2023-11-29 04:54:03,966 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:03,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:54:03,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:54:04,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:54:04,032 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;@29773eb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:54:04,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:54:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:54:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:54:04,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:04,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:04,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:04,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1292987908, now seen corresponding path program 1 times [2023-11-29 04:54:04,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:54:04,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770369671] [2023-11-29 04:54:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:54:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:54:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:54:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:54:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:54:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 04:54:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 04:54:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 04:54:04,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:54:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770369671] [2023-11-29 04:54:04,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770369671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:54:04,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:54:04,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:54:04,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671504438] [2023-11-29 04:54:04,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:54:04,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:54:04,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:54:04,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:54:04,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:54:04,365 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 04:54:04,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:04,400 INFO L93 Difference]: Finished difference Result 59 states and 96 transitions. [2023-11-29 04:54:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:54:04,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2023-11-29 04:54:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:04,411 INFO L225 Difference]: With dead ends: 59 [2023-11-29 04:54:04,411 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 04:54:04,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:54:04,418 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:04,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:54:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 04:54:04,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 04:54:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:54:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2023-11-29 04:54:04,453 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 44 [2023-11-29 04:54:04,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:04,454 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2023-11-29 04:54:04,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 04:54:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-29 04:54:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:54:04,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:04,457 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:04,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:54:04,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:04,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:04,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1672929280, now seen corresponding path program 1 times [2023-11-29 04:54:04,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:54:04,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225529415] [2023-11-29 04:54:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:04,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:54:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:54:04,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:54:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:54:04,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:54:04,651 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:54:04,652 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:54:04,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:54:04,657 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 04:54:04,660 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:54:04,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:54:04 BoogieIcfgContainer [2023-11-29 04:54:04,703 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:54:04,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:54:04,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:54:04,704 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:54:04,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:54:03" (3/4) ... [2023-11-29 04:54:04,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:54:04,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:54:04,708 INFO L158 Benchmark]: Toolchain (without parser) took 1505.45ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 100.4MB in the beginning and 121.4MB in the end (delta: -21.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-29 04:54:04,708 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:54:04,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.61ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:54:04,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.06ms. Allocated memory is still 138.4MB. Free memory was 88.5MB in the beginning and 86.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:54:04,710 INFO L158 Benchmark]: Boogie Preprocessor took 49.49ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 82.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:54:04,711 INFO L158 Benchmark]: RCFGBuilder took 377.17ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 67.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:54:04,712 INFO L158 Benchmark]: TraceAbstraction took 744.42ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 66.9MB in the beginning and 121.4MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:54:04,712 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 176.2MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:54:04,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.61ms. Allocated memory is still 138.4MB. Free memory was 100.4MB in the beginning and 88.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.06ms. Allocated memory is still 138.4MB. Free memory was 88.5MB in the beginning and 86.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.49ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 82.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 377.17ms. Allocated memory is still 138.4MB. Free memory was 82.4MB in the beginning and 67.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 744.42ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 66.9MB in the beginning and 121.4MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 176.2MB. Free memory is still 121.4MB. 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 someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] float var_1_3 = 9.3; [L24] float var_1_4 = 3.4; [L25] unsigned short int var_1_5 = 32; [L26] unsigned short int var_1_9 = 1; [L27] unsigned char var_1_10 = 8; [L28] unsigned char var_1_11 = 5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 8; [L80] isInitial = 1 [L81] FCALL initially() [L82] COND TRUE 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L63] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L65] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L66] var_1_11 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L67] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L69] var_1_13 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L70] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L84] RET updateVariables() [L85] CALL step() [L35] var_1_12 = var_1_13 [L36] var_1_14 = var_1_11 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=5/2, var_1_5=32, var_1_9=1] [L37] COND TRUE \read(var_1_12) [L38] var_1_1 = var_1_3 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=32, var_1_9=1] [L44] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L45] var_1_5 = (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L49] signed long int stepLocal_0 = 5 * var_1_14; VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L50] COND FALSE !(((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L57] COND TRUE var_1_1 < var_1_3 [L58] var_1_10 = var_1_11 VAL [isInitial=1, stepLocal_0=1270, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L85] RET step() [L86] CALL, EXPR property() [L76-L77] return (((((var_1_12 ? (var_1_1 == ((float) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((float) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))))) : (var_1_5 == ((unsigned short int) var_1_14)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_14 > (5 * var_1_14)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_14)) : 1) : 1) : 1)) && ((var_1_1 < var_1_3) ? (var_1_10 == ((unsigned char) var_1_11)) : 1)) && (var_1_12 == ((unsigned char) var_1_13))) && (var_1_14 == ((unsigned char) var_1_11)) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 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 [2023-11-29 04:54:04,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya --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 5c3a6cfbeb64be96bf4eacae875b7628036a7e9302f517cb52ffb38da5c714c2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:54:06,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:54:06,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:54:06,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:54:06,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:54:06,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:54:06,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:54:06,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:54:06,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:54:06,890 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:54:06,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:54:06,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:54:06,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:54:06,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:54:06,893 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:54:06,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:54:06,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:54:06,895 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:54:06,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:54:06,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:54:06,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:54:06,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:54:06,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:54:06,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:54:06,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:54:06,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:54:06,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:54:06,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:54:06,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:54:06,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:54:06,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:54:06,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:54:06,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:54:06,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:54:06,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:54:06,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:54:06,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:54:06,903 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:54:06,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:54:06,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:54:06,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:54:06,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:54:06,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:54:06,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:54:06,905 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:54:06,905 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c3a6cfbeb64be96bf4eacae875b7628036a7e9302f517cb52ffb38da5c714c2 [2023-11-29 04:54:07,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:54:07,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:54:07,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:54:07,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:54:07,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:54:07,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:10,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:54:10,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:54:10,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:10,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/4c0896f12/3a71f953ed844d2a9980e94ab8bc0742/FLAG6650dfcf3 [2023-11-29 04:54:10,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/data/4c0896f12/3a71f953ed844d2a9980e94ab8bc0742 [2023-11-29 04:54:10,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:54:10,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:54:10,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:54:10,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:54:10,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:54:10,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2fd089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10, skipping insertion in model container [2023-11-29 04:54:10,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:54:10,451 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i[917,930] [2023-11-29 04:54:10,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:54:10,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:54:10,524 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_c677ae02-23aa-4b78-9e84-c48fbed0538c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-29.i[917,930] [2023-11-29 04:54:10,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:54:10,559 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:54:10,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10 WrapperNode [2023-11-29 04:54:10,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:54:10,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:54:10,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:54:10,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:54:10,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,603 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-11-29 04:54:10,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:54:10,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:54:10,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:54:10,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:54:10,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,634 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:54:10,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:54:10,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:54:10,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:54:10,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:54:10,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (1/1) ... [2023-11-29 04:54:10,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:54:10,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:54:10,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:54:10,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:54:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:54:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:54:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:54:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:54:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:54:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:54:10,804 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:54:10,806 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:54:18,058 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:54:18,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:54:18,097 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:54:18,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:54:18 BoogieIcfgContainer [2023-11-29 04:54:18,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:54:18,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:54:18,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:54:18,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:54:18,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:54:10" (1/3) ... [2023-11-29 04:54:18,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab320ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:54:18, skipping insertion in model container [2023-11-29 04:54:18,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:54:10" (2/3) ... [2023-11-29 04:54:18,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab320ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:54:18, skipping insertion in model container [2023-11-29 04:54:18,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:54:18" (3/3) ... [2023-11-29 04:54:18,116 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-29.i [2023-11-29 04:54:18,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:54:18,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:54:18,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:54:18,192 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;@3c99e409, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:54:18,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:54:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:54:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:54:18,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:18,208 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:18,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:18,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:18,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1292987908, now seen corresponding path program 1 times [2023-11-29 04:54:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:18,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126681922] [2023-11-29 04:54:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:18,229 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 [2023-11-29 04:54:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:18,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:54:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:54:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:18,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:54:18,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-29 04:54:18,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:54:18,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:54:18,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126681922] [2023-11-29 04:54:18,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126681922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:54:18,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:54:18,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:54:18,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051122367] [2023-11-29 04:54:18,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:54:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:54:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:54:18,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:54:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:54:18,605 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 04:54:20,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:20,913 INFO L93 Difference]: Finished difference Result 59 states and 96 transitions. [2023-11-29 04:54:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:54:20,942 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2023-11-29 04:54:20,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:20,949 INFO L225 Difference]: With dead ends: 59 [2023-11-29 04:54:20,949 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 04:54:20,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:54:20,956 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:20,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 04:54:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 04:54:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 04:54:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:54:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2023-11-29 04:54:21,009 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 44 [2023-11-29 04:54:21,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:21,009 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2023-11-29 04:54:21,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 04:54:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-29 04:54:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:54:21,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:21,013 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:21,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:54:21,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:54:21,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:21,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:21,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1672929280, now seen corresponding path program 1 times [2023-11-29 04:54:21,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:21,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063985775] [2023-11-29 04:54:21,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:21,216 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 [2023-11-29 04:54:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:21,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:54:21,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:54:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:21,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:54:21,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 04:54:21,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:54:21,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:54:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063985775] [2023-11-29 04:54:21,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063985775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:54:21,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:54:21,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:54:21,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191360663] [2023-11-29 04:54:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:54:21,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:54:21,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:54:21,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:54:21,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:54:21,565 INFO L87 Difference]: Start difference. First operand 29 states and 41 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 04:54:25,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:29,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:31,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:34,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:36,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:40,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:40,778 INFO L93 Difference]: Finished difference Result 69 states and 98 transitions. [2023-11-29 04:54:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:54:40,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2023-11-29 04:54:40,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:40,780 INFO L225 Difference]: With dead ends: 69 [2023-11-29 04:54:40,780 INFO L226 Difference]: Without dead ends: 41 [2023-11-29 04:54:40,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:54:40,783 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:40,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 58 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2023-11-29 04:54:40,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-29 04:54:40,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2023-11-29 04:54:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 27 states have internal predecessors, (39), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:54:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 51 transitions. [2023-11-29 04:54:40,794 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 51 transitions. Word has length 44 [2023-11-29 04:54:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:40,795 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 51 transitions. [2023-11-29 04:54:40,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 04:54:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-29 04:54:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 04:54:40,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:40,798 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:54:40,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:54:40,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:54:40,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:40,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1672869698, now seen corresponding path program 1 times [2023-11-29 04:54:41,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:41,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079355831] [2023-11-29 04:54:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:41,000 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 [2023-11-29 04:54:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:41,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:54:41,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 (4)] Waiting until timeout for monitored process [2023-11-29 04:54:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:41,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:54:41,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 04:54:42,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:54:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 04:54:43,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:54:43,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079355831] [2023-11-29 04:54:43,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079355831] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:54:43,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:54:43,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 04:54:43,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104885128] [2023-11-29 04:54:43,156 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:54:43,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:54:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:54:43,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:54:43,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:54:43,159 INFO L87 Difference]: Start difference. First operand 35 states and 51 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 04:54:47,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:51,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:53,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:57,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:54:59,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:55:01,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:55:01,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:55:01,560 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2023-11-29 04:55:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:55:01,562 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 44 [2023-11-29 04:55:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:55:01,563 INFO L225 Difference]: With dead ends: 88 [2023-11-29 04:55:01,563 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 04:55:01,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:55:01,565 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:55:01,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 68 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2023-11-29 04:55:01,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 04:55:01,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2023-11-29 04:55:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 04:55:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2023-11-29 04:55:01,572 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 44 [2023-11-29 04:55:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:55:01,572 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2023-11-29 04:55:01,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 04:55:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-29 04:55:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 04:55:01,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:01,574 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:01,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 (4)] Ended with exit code 0 [2023-11-29 04:55:01,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 04:55:01,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:01,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:01,775 INFO L85 PathProgramCache]: Analyzing trace with hash -729863442, now seen corresponding path program 1 times [2023-11-29 04:55:01,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:55:01,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897210700] [2023-11-29 04:55:01,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:01,776 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 [2023-11-29 04:55:01,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:55:01,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 04:55:01,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c677ae02-23aa-4b78-9e84-c48fbed0538c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 04:55:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:02,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:55:02,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:55:26,462 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:55:34,173 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:55:46,270 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:55:58,375 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_13~0))) (and (bvsle .cse0 (_ bv1 32)) (= c_~var_1_1~0 c_~var_1_3~0) (= c_~var_1_14~0 c_~var_1_11~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_3~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (fp.geq c_~var_1_3~0 .cse1)) (fp.leq c_~var_1_3~0 (fp.neg .cse1)))) (= c_~var_1_12~0 c_~var_1_13~0) (let ((.cse2 ((_ zero_extend 24) c_~var_1_14~0))) (let ((.cse3 (bvmul (_ bv2 32) .cse2))) (or (and (= ((_ extract 15 0) .cse2) c_~var_1_5~0) (not (bvsgt .cse3 .cse2))) (= ((_ extract 15 0) .cse3) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 8.0))) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_3~0))) (bvsge .cse0 (_ bv1 32)))) is different from true [2023-11-29 04:57:49,924 WARN L293 SmtUtils]: Spent 22.26s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:57:55,192 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:58:42,024 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)