./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu --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 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:19,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:19,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:50:19,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:19,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:19,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:19,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:19,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:19,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:19,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:19,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:19,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:19,367 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:19,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:19,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:19,369 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:19,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:19,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:19,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:19,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:19,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:19,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:19,373 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:19,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:19,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:19,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:19,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:19,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:19,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:19,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:19,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:19,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:19,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:19,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:19,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:19,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:19,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:19,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:19,381 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:19,381 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_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 [2023-11-19 07:50:19,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:19,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:19,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:19,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:19,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:19,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:22,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:23,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:23,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:23,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/c6417d13e/837cc24d94e84044996d80fc8681ee43/FLAGeeff8b5f1 [2023-11-19 07:50:23,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/c6417d13e/837cc24d94e84044996d80fc8681ee43 [2023-11-19 07:50:23,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:23,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:23,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:23,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:23,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:23,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7091d79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23, skipping insertion in model container [2023-11-19 07:50:23,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:23,609 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_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 07:50:23,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:23,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:23,694 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_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 07:50:23,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:23,742 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:23,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23 WrapperNode [2023-11-19 07:50:23,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:23,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:23,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:23,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:23,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,838 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-19 07:50:23,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:23,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:23,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:23,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:23,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:23,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:23,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:23,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:23,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (1/1) ... [2023-11-19 07:50:23,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:23,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:24,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:50:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:50:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:24,180 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:24,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:24,631 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:24,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:24,649 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:24,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24 BoogieIcfgContainer [2023-11-19 07:50:24,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:24,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:24,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:24,663 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:24,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:23" (1/3) ... [2023-11-19 07:50:24,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf4de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:24, skipping insertion in model container [2023-11-19 07:50:24,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:23" (2/3) ... [2023-11-19 07:50:24,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf4de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:24, skipping insertion in model container [2023-11-19 07:50:24,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24" (3/3) ... [2023-11-19 07:50:24,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:24,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:24,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:24,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:24,761 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;@3639b692, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:24,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:50:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:24,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:24,786 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:24,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:24,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:24,795 INFO L85 PathProgramCache]: Analyzing trace with hash -848629421, now seen corresponding path program 1 times [2023-11-19 07:50:24,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:24,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669285121] [2023-11-19 07:50:24,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:24,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:50:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:50:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:50:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:50:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:50:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:50:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:50:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:50:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:50:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:50:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:50:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:50:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:50:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:50:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:50:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-19 07:50:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:50:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:25,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669285121] [2023-11-19 07:50:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669285121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:25,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:25,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:25,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53975146] [2023-11-19 07:50:25,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:25,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:50:25,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:25,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:50:25,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:25,382 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:50:25,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:25,411 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2023-11-19 07:50:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:50:25,414 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-11-19 07:50:25,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:25,423 INFO L225 Difference]: With dead ends: 97 [2023-11-19 07:50:25,423 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:50:25,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:25,432 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:25,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:50:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:50:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:50:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-19 07:50:25,513 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2023-11-19 07:50:25,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:25,514 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-19 07:50:25,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:50:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-19 07:50:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:25,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:25,521 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:25,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:25,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:25,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash 116133775, now seen corresponding path program 1 times [2023-11-19 07:50:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733231772] [2023-11-19 07:50:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:50:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:50:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:50:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:50:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:50:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:50:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:50:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:50:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:50:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:50:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:50:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:50:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:50:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:50:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:50:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-19 07:50:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:50:26,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:26,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733231772] [2023-11-19 07:50:26,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733231772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:26,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:26,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:26,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016454179] [2023-11-19 07:50:26,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:26,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:26,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:26,250 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:50:26,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:26,491 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2023-11-19 07:50:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:26,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2023-11-19 07:50:26,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:26,499 INFO L225 Difference]: With dead ends: 148 [2023-11-19 07:50:26,502 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 07:50:26,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:26,508 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 66 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:26,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:50:26,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 07:50:26,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 90. [2023-11-19 07:50:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 07:50:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2023-11-19 07:50:26,561 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 103 [2023-11-19 07:50:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:26,563 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2023-11-19 07:50:26,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:50:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-19 07:50:26,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:26,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:26,572 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:26,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:50:26,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:26,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:26,573 INFO L85 PathProgramCache]: Analyzing trace with hash 796192145, now seen corresponding path program 1 times [2023-11-19 07:50:26,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:26,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51400736] [2023-11-19 07:50:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:26,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:26,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:26,863 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:50:26,864 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:50:26,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:50:26,871 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:50:26,875 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:26,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:26 BoogieIcfgContainer [2023-11-19 07:50:26,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:26,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:26,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:26,992 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:26,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:24" (3/4) ... [2023-11-19 07:50:26,999 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:50:27,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:27,001 INFO L158 Benchmark]: Toolchain (without parser) took 3689.62ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 97.8MB in the end (delta: 17.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-19 07:50:27,002 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 118.3MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:27,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.01ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:50:27,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.28ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 99.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:27,003 INFO L158 Benchmark]: Boogie Preprocessor took 54.92ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:27,004 INFO L158 Benchmark]: RCFGBuilder took 750.43ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 80.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:50:27,004 INFO L158 Benchmark]: TraceAbstraction took 2332.91ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 98.0MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:27,005 INFO L158 Benchmark]: Witness Printer took 9.41ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 97.8MB in the end (delta: 141.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:27,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory was 118.4MB in the beginning and 118.3MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.01ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.28ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 99.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.92ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.43ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 80.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2332.91ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 98.0MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.41ms. Allocated memory is still 148.9MB. Free memory was 98.0MB in the beginning and 97.8MB in the end (delta: 141.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_9 = 0; [L29] unsigned char var_1_10 = 0; [L30] double var_1_11 = 4.575; [L31] double var_1_13 = 2.75; [L32] double var_1_14 = 128.5; [L33] signed long int var_1_15 = -1000000000; [L34] float var_1_16 = 99999.25; [L35] signed char var_1_17 = 1; [L36] signed char var_1_18 = 50; [L37] unsigned char last_1_var_1_5 = 1; VAL [isInitial=0, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_5 = var_1_5 VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L71] var_1_3 = __VERIFIER_nondet_ushort() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_9=0] [L74] var_1_4 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=0, var_1_9=0] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=0, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L85] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=11/4, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L86] var_1_13 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L87] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=257/2, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L88] var_1_14 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L89] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=50, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L90] var_1_18 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L91] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=8, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L41] COND FALSE !(! last_1_var_1_5) [L44] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L46] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L47] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=-1000000000, var_1_16=399997/4, var_1_17=1, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L56] var_1_15 = var_1_1 [L57] var_1_16 = var_1_13 [L58] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=65533, var_1_16=100004, var_1_17=126, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L59] COND FALSE !(((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) > var_1_15) VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=65533, var_1_16=100004, var_1_17=126, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((((! last_1_var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && ((var_1_3 >= 16) || last_1_var_1_5)) ? (var_1_6 ? (var_1_5 == ((unsigned char) ((var_1_1 < var_1_1) && var_1_9))) : (var_1_5 == ((unsigned char) var_1_10))) : 1) : 1)) && ((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) > var_1_15) ? (((var_1_15 / -5) >= ((var_1_4 + var_1_15) - ((((var_1_1) < (var_1_3)) ? (var_1_1) : (var_1_3))))) ? (var_1_11 == ((double) (var_1_13 + var_1_14))) : (var_1_11 == ((double) var_1_14))) : 1)) && (var_1_15 == ((signed long int) var_1_1))) && (var_1_16 == ((float) var_1_13))) && (var_1_17 == ((signed char) var_1_18)) ; VAL [\result=0, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=65533, var_1_16=100004, var_1_17=126, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=65533, var_1_16=100004, var_1_17=126, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_5=1, var_1_10=1, var_1_11=183/40, var_1_13=100004, var_1_14=100005, var_1_15=65533, var_1_16=100004, var_1_17=126, var_1_18=126, var_1_1=65533, var_1_2=0, var_1_3=65534, var_1_4=65533, var_1_5=1, var_1_6=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 255 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 133 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 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 [2023-11-19 07:50:27,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu --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 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:29,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:29,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:50:29,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:29,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:30,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:30,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:30,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:30,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:30,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:30,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:30,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:30,052 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:30,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:30,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:30,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:30,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:30,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:30,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:30,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:30,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:30,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:50:30,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:50:30,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:50:30,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:30,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:30,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:30,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:30,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:30,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:30,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:30,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:30,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:30,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:30,064 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:50:30,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:50:30,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:30,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:30,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:30,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:30,066 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:50:30,067 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:30,067 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_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874a29868093144df67f3d9c006a000f3592329fa7366a6687deaedd0fc5b25 [2023-11-19 07:50:30,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:30,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:30,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:30,517 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:30,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:30,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:33,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:34,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:34,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:34,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/c875524b5/72a44fea4a454bb88381f63822d88ee2/FLAGabe742e6f [2023-11-19 07:50:34,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/data/c875524b5/72a44fea4a454bb88381f63822d88ee2 [2023-11-19 07:50:34,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:34,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:34,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:34,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:34,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:34,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dc32e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34, skipping insertion in model container [2023-11-19 07:50:34,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:34,615 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_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 07:50:34,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:34,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:34,784 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_2a492172-8167-45a2-959a-4e286077f9c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-96.i[917,930] [2023-11-19 07:50:34,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:34,869 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:34,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34 WrapperNode [2023-11-19 07:50:34,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:34,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:34,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:34,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:34,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,957 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2023-11-19 07:50:34,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:34,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:34,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:34,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:34,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:34,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:35,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:35,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:35,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:35,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:35,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:35,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:35,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:35,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (1/1) ... [2023-11-19 07:50:35,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:35,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:35,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:35,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:35,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:50:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:50:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:50:35,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:35,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:35,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:35,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:37,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:37,105 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:37,109 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:37,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:37 BoogieIcfgContainer [2023-11-19 07:50:37,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:37,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:37,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:37,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:37,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:34" (1/3) ... [2023-11-19 07:50:37,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6529ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:37, skipping insertion in model container [2023-11-19 07:50:37,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:34" (2/3) ... [2023-11-19 07:50:37,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6529ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:37, skipping insertion in model container [2023-11-19 07:50:37,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:37" (3/3) ... [2023-11-19 07:50:37,130 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-96.i [2023-11-19 07:50:37,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:37,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:37,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:37,207 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;@27923dd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:37,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:50:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:37,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:37,226 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:37,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:37,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:37,233 INFO L85 PathProgramCache]: Analyzing trace with hash -848629421, now seen corresponding path program 1 times [2023-11-19 07:50:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:37,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543100111] [2023-11-19 07:50:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:37,250 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 [2023-11-19 07:50:37,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:37,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:50:37,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:50:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:37,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:50:37,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-19 07:50:37,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:50:37,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:50:37,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543100111] [2023-11-19 07:50:37,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543100111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:37,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:37,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:37,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649237087] [2023-11-19 07:50:37,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:37,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:50:37,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:50:37,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:50:37,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:37,759 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:50:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:37,812 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2023-11-19 07:50:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:50:37,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-11-19 07:50:37,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:37,826 INFO L225 Difference]: With dead ends: 97 [2023-11-19 07:50:37,826 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:50:37,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:37,839 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:37,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:50:37,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:50:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:50:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-19 07:50:37,887 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2023-11-19 07:50:37,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:37,888 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-19 07:50:37,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:50:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-19 07:50:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:37,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:37,892 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:37,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:50:38,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:38,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 116133775, now seen corresponding path program 1 times [2023-11-19 07:50:38,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:38,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888202830] [2023-11-19 07:50:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:38,103 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 [2023-11-19 07:50:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:38,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:50:38,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:50:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:38,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:50:38,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:50:39,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:50:39,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:50:39,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888202830] [2023-11-19 07:50:39,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888202830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:39,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:39,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:50:39,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480434450] [2023-11-19 07:50:39,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:39,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:39,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:50:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:39,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:39,075 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:50:40,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:40,379 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2023-11-19 07:50:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:50:40,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2023-11-19 07:50:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:40,396 INFO L225 Difference]: With dead ends: 148 [2023-11-19 07:50:40,396 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 07:50:40,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:40,399 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 63 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:40,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 186 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:50:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 07:50:40,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 90. [2023-11-19 07:50:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-19 07:50:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2023-11-19 07:50:40,433 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 103 [2023-11-19 07:50:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:40,434 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2023-11-19 07:50:40,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:50:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-19 07:50:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 07:50:40,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:40,438 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:40,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:40,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:50:40,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:40,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:40,647 INFO L85 PathProgramCache]: Analyzing trace with hash 796192145, now seen corresponding path program 1 times [2023-11-19 07:50:40,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:50:40,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313086655] [2023-11-19 07:50:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:40,648 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 [2023-11-19 07:50:40,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:50:40,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:50:40,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a492172-8167-45a2-959a-4e286077f9c3/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:50:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:40,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 07:50:40,924 INFO L285 TraceCheckSpWp]: Computing forward predicates...