./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme --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 ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:52,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:52,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:56:52,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:52,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:52,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:52,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:52,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:52,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:52,252 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:52,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:56:52,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:56:52,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:52,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:52,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:52,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:52,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:56:52,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:52,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:52,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:52,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:52,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:56:52,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:56:52,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:56:52,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:52,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:52,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:52,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:52,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:52,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:56:52,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:56:52,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:52,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:52,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:56:52,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:56:52,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:52,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:56:52,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:56:52,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:56:52,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:56:52,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:56:52,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:56:52,271 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f [2023-11-26 11:56:52,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:52,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:52,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:52,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:52,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:52,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:56:55,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:55,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:55,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:56:55,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/e074e7573/a5409a17b7774ba6ac6b5ba222d66526/FLAGdf23b273d [2023-11-26 11:56:55,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/e074e7573/a5409a17b7774ba6ac6b5ba222d66526 [2023-11-26 11:56:55,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:55,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:55,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:55,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:55,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:55,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:55" (1/1) ... [2023-11-26 11:56:55,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eda5b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:55, skipping insertion in model container [2023-11-26 11:56:55,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:55" (1/1) ... [2023-11-26 11:56:55,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:56,134 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2023-11-26 11:56:56,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:56,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:56,237 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2023-11-26 11:56:56,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:56,293 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:56,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56 WrapperNode [2023-11-26 11:56:56,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:56,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:56,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:56,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:56,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,347 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-26 11:56:56,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:56,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:56,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:56,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:56,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,378 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]. [2023-11-26 11:56:56,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:56,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:56,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:56,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:56,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (1/1) ... [2023-11-26 11:56:56,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:56:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:56:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:56:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:56,618 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:56,620 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:56,967 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:57,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:57,024 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:56:57,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:57 BoogieIcfgContainer [2023-11-26 11:56:57,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:57,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:57,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:57,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:57,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:55" (1/3) ... [2023-11-26 11:56:57,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f649c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:57, skipping insertion in model container [2023-11-26 11:56:57,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:56" (2/3) ... [2023-11-26 11:56:57,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6f649c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:57, skipping insertion in model container [2023-11-26 11:56:57,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:57" (3/3) ... [2023-11-26 11:56:57,035 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:56:57,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:57,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:56:57,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:57,114 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;@341edd15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:57,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:56:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:56:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 11:56:57,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:57,140 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:57,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:57,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash 671086619, now seen corresponding path program 1 times [2023-11-26 11:56:57,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:57,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309475332] [2023-11-26 11:56:57,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:57,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:57,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309475332] [2023-11-26 11:56:57,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:56:57,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379778282] [2023-11-26 11:56:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:57,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:57,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:57,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:56:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:57,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:56:57,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 11:56:57,640 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:57,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379778282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:57,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:57,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:56:57,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047094992] [2023-11-26 11:56:57,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:57,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:56:57,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:57,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:56:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:56:57,682 INFO L87 Difference]: Start difference. First operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 11:56:57,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:57,726 INFO L93 Difference]: Finished difference Result 91 states and 166 transitions. [2023-11-26 11:56:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:56:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 117 [2023-11-26 11:56:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:57,737 INFO L225 Difference]: With dead ends: 91 [2023-11-26 11:56:57,738 INFO L226 Difference]: Without dead ends: 45 [2023-11-26 11:56:57,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:56:57,746 INFO L413 NwaCegarLoop]: 66 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, 66 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 [2023-11-26 11:56:57,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:56:57,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-26 11:56:57,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-26 11:56:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:56:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 69 transitions. [2023-11-26 11:56:57,809 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 69 transitions. Word has length 117 [2023-11-26 11:56:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:57,809 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 69 transitions. [2023-11-26 11:56:57,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-26 11:56:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-26 11:56:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 11:56:57,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:57,820 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:57,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 11:56:58,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:58,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:58,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1310300833, now seen corresponding path program 1 times [2023-11-26 11:56:58,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:58,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261948425] [2023-11-26 11:56:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:58,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:58,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:56:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747612656] [2023-11-26 11:56:58,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:58,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:58,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:58,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:56:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:58,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:58,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:58,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:56:58,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:56:58,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:58,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:58,660 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:56:58,664 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:56:58,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:56:58 BoogieIcfgContainer [2023-11-26 11:56:58,801 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:56:58,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:56:58,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:56:58,802 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:56:58,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:57" (3/4) ... [2023-11-26 11:56:58,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:56:58,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:56:58,810 INFO L158 Benchmark]: Toolchain (without parser) took 2900.59ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 122.8MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:58,817 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:56:58,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.71ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 106.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.13ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 103.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,820 INFO L158 Benchmark]: Boogie Preprocessor took 48.74ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 101.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,821 INFO L158 Benchmark]: RCFGBuilder took 626.86ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 123.6MB in the end (delta: -22.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,821 INFO L158 Benchmark]: TraceAbstraction took 1773.65ms. Allocated memory is still 163.6MB. Free memory was 122.9MB in the beginning and 123.8MB in the end (delta: -953.4kB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,823 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 163.6MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:56:58,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.71ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 106.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.13ms. Allocated memory is still 163.6MB. Free memory was 106.1MB in the beginning and 103.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.74ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 101.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.86ms. Allocated memory is still 163.6MB. Free memory was 101.4MB in the beginning and 123.6MB in the end (delta: -22.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1773.65ms. Allocated memory is still 163.6MB. Free memory was 122.9MB in the beginning and 123.8MB in the end (delta: -953.4kB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 163.6MB. Free memory was 123.8MB in the beginning and 122.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 255; [L23] signed long int var_1_3 = 0; [L24] signed long int var_1_5 = 128; [L25] signed long int var_1_6 = 9; [L26] signed long int var_1_7 = 31; [L27] signed long int var_1_8 = 9; [L28] signed long int var_1_9 = 499; [L29] signed long int var_1_10 = 1; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] signed long int last_1_var_1_10 = 1; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_10 = var_1_10 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L62] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L63] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L64] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=128, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L65] var_1_5 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L66] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L67] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L68] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=9, var_1_7=31, var_1_8=9, var_1_9=499] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L71] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=31, var_1_8=9, var_1_9=499] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L74] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=9, var_1_9=499] [L75] var_1_8 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L76] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L77] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L77] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=499] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L83] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L83] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L84] var_1_13 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L86] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L86] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L88] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L103] RET updateVariables() [L104] CALL step() [L38] COND FALSE !(((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) [L45] var_1_1 = 64.51f VAL [isInitial=1, last_1_var_1_10=1, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f VAL [isInitial=1, last_1_var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) VAL [isInitial=1, last_1_var_1_10=1, var_1_10=-2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((signed long int) var_1_9)) : (var_1_1 == ((signed long int) var_1_9))) : (var_1_1 == ((signed long int) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((signed long int) 2147000000.0f)) : (var_1_10 == ((signed long int) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=-2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=16, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, var_1_10=-2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=16, var_1_3=-1, var_1_5=1, var_1_6=2147483647, var_1_7=0, var_1_8=2147483647, var_1_9=-3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 20, 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, 66 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, 66 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 266 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 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 [2023-11-26 11:56:58,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme --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 ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:01,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:01,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:57:01,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:01,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:01,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:01,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:01,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:01,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:57:01,728 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:57:01,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:57:01,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:57:01,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:01,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:01,732 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:01,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:01,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:57:01,734 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:01,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:01,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:01,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:57:01,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:57:01,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:57:01,737 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:57:01,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:57:01,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:57:01,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:01,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:01,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:01,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:01,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:01,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:57:01,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:57:01,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:01,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:01,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:57:01,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:57:01,744 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:57:01,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:57:01,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:57:01,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:57:01,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:57:01,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:57:01,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:57:01,746 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:57:01,746 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddec760117dfe95addb3119868a1a4b9235e79a721f69484238bafe264cc3b9f [2023-11-26 11:57:02,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:02,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:02,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:02,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:02,222 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:02,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:57:05,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:57:05,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:57:05,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:57:05,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/525e1a5aa/e0ba01b7f12b4b9c8587dce7ca9ee2f1/FLAG0f790b651 [2023-11-26 11:57:05,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/data/525e1a5aa/e0ba01b7f12b4b9c8587dce7ca9ee2f1 [2023-11-26 11:57:05,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:57:05,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:57:05,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:05,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:57:05,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:57:05,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:05" (1/1) ... [2023-11-26 11:57:05,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6443b6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:05, skipping insertion in model container [2023-11-26 11:57:05,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:05" (1/1) ... [2023-11-26 11:57:05,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:57:06,004 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2023-11-26 11:57:06,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:06,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:57:06,128 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_46ee6280-7a68-49bc-b1e5-66bc52a32634/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-93_fixed.i[916,929] [2023-11-26 11:57:06,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:06,184 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:57:06,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06 WrapperNode [2023-11-26 11:57:06,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:06,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:06,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:57:06,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:57:06,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,315 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-11-26 11:57:06,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:06,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:57:06,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:57:06,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:57:06,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,353 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]. [2023-11-26 11:57:06,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:57:06,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:57:06,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:57:06,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:57:06,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (1/1) ... [2023-11-26 11:57:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:06,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:06,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:06,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:57:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:57:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:57:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:06,595 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:06,598 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:19,231 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:19,291 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:19,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:57:19,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:19 BoogieIcfgContainer [2023-11-26 11:57:19,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:19,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:19,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:19,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:19,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:57:05" (1/3) ... [2023-11-26 11:57:19,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abc77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:19, skipping insertion in model container [2023-11-26 11:57:19,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:06" (2/3) ... [2023-11-26 11:57:19,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abc77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:19, skipping insertion in model container [2023-11-26 11:57:19,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:19" (3/3) ... [2023-11-26 11:57:19,304 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-93_fixed.i [2023-11-26 11:57:19,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:19,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:57:19,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:19,376 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;@7987ea92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:19,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:57:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:57:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 11:57:19,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:19,399 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:19,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:19,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash 671086619, now seen corresponding path program 1 times [2023-11-26 11:57:19,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:57:19,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757651940] [2023-11-26 11:57:19,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:19,417 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 [2023-11-26 11:57:19,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:57:19,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:57:19,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:19,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:57:19,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-26 11:57:20,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:57:20,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:57:20,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757651940] [2023-11-26 11:57:20,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757651940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:20,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:20,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:20,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682613175] [2023-11-26 11:57:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:20,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:57:20,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:57:20,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:57:20,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:20,064 INFO L87 Difference]: Start difference. First operand has 47 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 11:57:24,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:57:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:24,393 INFO L93 Difference]: Finished difference Result 91 states and 166 transitions. [2023-11-26 11:57:24,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:57:24,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 117 [2023-11-26 11:57:24,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:57:24,464 INFO L225 Difference]: With dead ends: 91 [2023-11-26 11:57:24,464 INFO L226 Difference]: Without dead ends: 45 [2023-11-26 11:57:24,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:24,472 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:57:24,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-26 11:57:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-26 11:57:24,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-26 11:57:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 11:57:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 69 transitions. [2023-11-26 11:57:24,515 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 69 transitions. Word has length 117 [2023-11-26 11:57:24,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:57:24,515 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 69 transitions. [2023-11-26 11:57:24,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-26 11:57:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-26 11:57:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-26 11:57:24,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:57:24,520 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:24,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:57:24,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:24,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:57:24,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1310300833, now seen corresponding path program 1 times [2023-11-26 11:57:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:57:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766371499] [2023-11-26 11:57:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:24,727 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 [2023-11-26 11:57:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:57:24,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:57:24,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:57:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:25,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:25,802 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-26 11:57:25,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [964036029] [2023-11-26 11:57:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:25,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 11:57:25,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 11:57:25,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 11:57:25,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee6280-7a68-49bc-b1e5-66bc52a32634/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-26 11:57:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:26,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 11:57:26,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:35,538 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:57:43,826 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:57:52,073 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-26 11:58:00,336 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)