./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl --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 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:17,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:17,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:04:17,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:17,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:17,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:17,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:17,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:17,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:17,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:17,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:17,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:17,272 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:17,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:17,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:17,273 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:17,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:17,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:17,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:17,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:17,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:17,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:17,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:17,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:17,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:17,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:17,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:17,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:17,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:17,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:17,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:17,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:17,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:17,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:17,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:17,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:17,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:17,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:17,287 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:17,287 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_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc [2023-11-12 02:04:17,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:17,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:17,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:17,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:17,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:17,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:20,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:21,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:21,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:21,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/b654411c1/e96ad066b0ea476db7247b0863f0a0c2/FLAGe019d5f76 [2023-11-12 02:04:21,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/b654411c1/e96ad066b0ea476db7247b0863f0a0c2 [2023-11-12 02:04:21,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:21,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:21,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:21,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:21,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:21,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3dea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21, skipping insertion in model container [2023-11-12 02:04:21,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:21,405 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_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2023-11-12 02:04:21,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:21,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:21,510 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_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2023-11-12 02:04:21,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:21,569 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:21,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21 WrapperNode [2023-11-12 02:04:21,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:21,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:21,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:21,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:21,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,654 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-11-12 02:04:21,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:21,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:21,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:21,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:21,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:21,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:21,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:21,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:21,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (1/1) ... [2023-11-12 02:04:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:21,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:21,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:21,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:21,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:21,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:21,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:22,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:22,180 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:22,181 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:22 BoogieIcfgContainer [2023-11-12 02:04:22,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:22,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:22,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:22,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:22,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:21" (1/3) ... [2023-11-12 02:04:22,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d15536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:22, skipping insertion in model container [2023-11-12 02:04:22,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:21" (2/3) ... [2023-11-12 02:04:22,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d15536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:22, skipping insertion in model container [2023-11-12 02:04:22,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:22" (3/3) ... [2023-11-12 02:04:22,197 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:22,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:22,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:22,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:22,295 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;@7fd749f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:22,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:04:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 02:04:22,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:22,315 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:22,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:22,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash 309073617, now seen corresponding path program 1 times [2023-11-12 02:04:22,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:22,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087926122] [2023-11-12 02:04:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:04:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:04:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:04:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:04:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:04:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:04:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:04:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:04:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:04:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:04:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:04:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-12 02:04:22,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:22,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087926122] [2023-11-12 02:04:22,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087926122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:22,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:22,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:22,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805528242] [2023-11-12 02:04:22,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:22,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:22,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:22,755 INFO L87 Difference]: Start difference. First operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:04:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:22,791 INFO L93 Difference]: Finished difference Result 89 states and 143 transitions. [2023-11-12 02:04:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:22,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2023-11-12 02:04:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:22,803 INFO L225 Difference]: With dead ends: 89 [2023-11-12 02:04:22,804 INFO L226 Difference]: Without dead ends: 44 [2023-11-12 02:04:22,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:22,813 INFO L413 NwaCegarLoop]: 60 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, 60 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 [2023-11-12 02:04:22,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:22,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-12 02:04:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-12 02:04:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:04:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2023-11-12 02:04:22,869 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 74 [2023-11-12 02:04:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:22,869 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2023-11-12 02:04:22,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:04:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-12 02:04:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 02:04:22,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:22,875 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:22,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:04:22,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:22,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:22,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1496696911, now seen corresponding path program 1 times [2023-11-12 02:04:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624080227] [2023-11-12 02:04:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:23,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:04:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:23,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:04:23,234 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:04:23,236 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:23,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:04:23,242 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:04:23,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:23,317 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated [2023-11-12 02:04:23,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:23 BoogieIcfgContainer [2023-11-12 02:04:23,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:23,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:23,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:23,348 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:23,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:22" (3/4) ... [2023-11-12 02:04:23,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:23,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:23,354 INFO L158 Benchmark]: Toolchain (without parser) took 2246.00ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 99.6MB in the beginning and 148.6MB in the end (delta: -49.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-12 02:04:23,356 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:23,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.57ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 88.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:04:23,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.06ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:23,361 INFO L158 Benchmark]: Boogie Preprocessor took 34.69ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.5MB in the end (delta: 983.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:23,363 INFO L158 Benchmark]: RCFGBuilder took 492.60ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 69.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:23,364 INFO L158 Benchmark]: TraceAbstraction took 1160.12ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 69.3MB in the beginning and 149.6MB in the end (delta: -80.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:23,364 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 148.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:23,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.57ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 88.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.06ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.69ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 84.5MB in the end (delta: 983.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.60ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 69.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1160.12ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 69.3MB in the beginning and 149.6MB in the end (delta: -80.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 148.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned short int var_1_2 = 128; [L24] unsigned short int var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 49.5; [L29] float var_1_8 = 16.25; VAL [isInitial=0, var_1_1=1, var_1_2=128, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L67] isInitial = 1 [L68] FCALL initially() [L69] COND TRUE 1 [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ushort() [L43] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L43] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L44] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L44] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_1=1, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L45] var_1_3 = __VERIFIER_nondet_ushort() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L47] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L47] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L48] var_1_4 = __VERIFIER_nondet_uchar() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L50] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L50] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L51] var_1_5 = __VERIFIER_nondet_uchar() [L52] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L52] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L53] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L53] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L54] var_1_6 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L55] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L56] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L56] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=65/4] [L57] var_1_8 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=517] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=517] [L58] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=517] [L71] RET updateVariables() [L72] CALL step() [L33] unsigned short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=4, var_1_1=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=517] [L34] COND FALSE !(var_1_2 == stepLocal_0) [L37] var_1_1 = (var_1_4 && (var_1_5 && var_1_6)) VAL [isInitial=1, stepLocal_0=4, var_1_1=0, var_1_2=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=99/2, var_1_8=517] [L39] var_1_7 = var_1_8 VAL [isInitial=1, stepLocal_0=4, var_1_1=0, var_1_2=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=517, var_1_8=517] [L72] RET step() [L73] CALL, EXPR property() [L63] EXPR (var_1_2 == var_1_3) ? (var_1_1 == ((unsigned char) ((var_1_3 > (50 ^ var_1_2)) && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && (var_1_5 && var_1_6)))) VAL [isInitial=1, var_1_1=0, var_1_2=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=517, var_1_8=517] [L63-L64] return ((var_1_2 == var_1_3) ? (var_1_1 == ((unsigned char) ((var_1_3 > (50 ^ var_1_2)) && var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 && (var_1_5 && var_1_6))))) && (var_1_7 == ((float) var_1_8)) ; [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_2=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=517, var_1_8=517] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=0, var_1_2=1, var_1_3=4, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=517, var_1_8=517] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2023-11-12 02:04:23,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl --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 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:26,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:26,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:04:26,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:26,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:26,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:26,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:26,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:26,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:26,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:26,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:26,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:26,600 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:26,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:26,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:26,603 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:26,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:26,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:26,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:26,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:26,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:26,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:04:26,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:04:26,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:04:26,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:26,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:26,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:26,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:26,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:26,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:26,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:26,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:26,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:26,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:26,615 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:04:26,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:26,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:26,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:26,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:26,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:26,619 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:04:26,619 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:26,620 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_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf3add05c45b0b04bd0d1457ef1e7330de70f3c21c667f6683e915324786bcc [2023-11-12 02:04:27,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:27,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:27,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:27,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:27,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:27,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:30,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:30,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:30,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:30,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/96c16bf5f/d57237ff763d45f89598747d09fe2863/FLAGd7f607388 [2023-11-12 02:04:30,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/data/96c16bf5f/d57237ff763d45f89598747d09fe2863 [2023-11-12 02:04:30,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:30,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:30,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:30,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:30,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:30,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635a88a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:30, skipping insertion in model container [2023-11-12 02:04:30,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:30" (1/1) ... [2023-11-12 02:04:30,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:31,004 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2023-11-12 02:04:31,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:31,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:31,080 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_ded998f1-e039-454e-a612-2b98d51fb2f9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-84.i[915,928] [2023-11-12 02:04:31,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:31,117 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:31,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31 WrapperNode [2023-11-12 02:04:31,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:31,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:31,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:31,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:31,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,203 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-11-12 02:04:31,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:31,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:31,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:31,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:31,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:31,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:31,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:31,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:31,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (1/1) ... [2023-11-12 02:04:31,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:31,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:31,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:31,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:31,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:04:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:31,504 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:31,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:31,815 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:31,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:31,823 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:31,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:31 BoogieIcfgContainer [2023-11-12 02:04:31,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:31,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:31,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:31,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:31,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:30" (1/3) ... [2023-11-12 02:04:31,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcb586b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:31, skipping insertion in model container [2023-11-12 02:04:31,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:31" (2/3) ... [2023-11-12 02:04:31,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcb586b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:31, skipping insertion in model container [2023-11-12 02:04:31,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:31" (3/3) ... [2023-11-12 02:04:31,838 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-84.i [2023-11-12 02:04:31,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:31,860 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:31,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:31,927 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;@7846bbc1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:31,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:04:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:04:31,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:31,948 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:31,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:31,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash 228508198, now seen corresponding path program 1 times [2023-11-12 02:04:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:31,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262472009] [2023-11-12 02:04:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:31,977 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 [2023-11-12 02:04:31,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:31,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:04:32,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:32,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-12 02:04:32,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:32,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262472009] [2023-11-12 02:04:32,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262472009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:32,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:32,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920522241] [2023-11-12 02:04:32,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:32,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:32,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:32,339 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:04:32,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:32,384 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2023-11-12 02:04:32,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:32,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-12 02:04:32,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:32,395 INFO L225 Difference]: With dead ends: 69 [2023-11-12 02:04:32,396 INFO L226 Difference]: Without dead ends: 34 [2023-11-12 02:04:32,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:32,404 INFO L413 NwaCegarLoop]: 45 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, 45 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 [2023-11-12 02:04:32,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:32,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-12 02:04:32,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-12 02:04:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:04:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2023-11-12 02:04:32,451 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2023-11-12 02:04:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:32,452 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-11-12 02:04:32,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-12 02:04:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-12 02:04:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 02:04:32,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:32,458 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:32,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:32,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:32,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:32,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:32,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1115505884, now seen corresponding path program 1 times [2023-11-12 02:04:32,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:32,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118415814] [2023-11-12 02:04:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:32,677 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 [2023-11-12 02:04:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:32,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:04:32,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:04:32,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 135 proven. 12 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-11-12 02:04:35,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-12 02:04:36,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:36,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118415814] [2023-11-12 02:04:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118415814] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:04:36,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2023-11-12 02:04:36,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365611443] [2023-11-12 02:04:36,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:36,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-12 02:04:36,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:36,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-12 02:04:36,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2023-11-12 02:04:36,666 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 21 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 21 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:04:39,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:39,915 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2023-11-12 02:04:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-12 02:04:39,917 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 21 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) Word has length 72 [2023-11-12 02:04:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:39,918 INFO L225 Difference]: With dead ends: 72 [2023-11-12 02:04:39,918 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:04:39,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2023-11-12 02:04:39,922 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 98 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:39,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 197 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-12 02:04:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:04:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:04:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:04:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:04:39,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2023-11-12 02:04:39,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:39,925 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:04:39,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 21 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (17), 4 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:04:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:04:39,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:04:39,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:39,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:40,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:04:40,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:04:41,769 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 61) no Hoare annotation was computed. [2023-11-12 02:04:41,769 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-12 02:04:41,769 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0))) [2023-11-12 02:04:41,770 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0))) [2023-11-12 02:04:41,770 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-12 02:04:41,770 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-12 02:04:41,770 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-12 02:04:41,770 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-12 02:04:41,771 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 66 77) no Hoare annotation was computed. [2023-11-12 02:04:41,771 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 75) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))))))) [2023-11-12 02:04:41,771 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 75) no Hoare annotation was computed. [2023-11-12 02:04:41,771 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 40) no Hoare annotation was computed. [2023-11-12 02:04:41,772 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:04:41,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:04:41,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-12 02:04:41,772 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-12 02:04:41,773 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (or (not (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0)) [2023-11-12 02:04:41,773 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (or (not (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0)) [2023-11-12 02:04:41,773 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 62 65) no Hoare annotation was computed. [2023-11-12 02:04:41,773 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:04:41,773 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) [2023-11-12 02:04:41,774 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 41 59) no Hoare annotation was computed. [2023-11-12 02:04:41,774 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-12 02:04:41,774 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))))))) [2023-11-12 02:04:41,775 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))))))) [2023-11-12 02:04:41,775 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:04:41,775 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 38) no Hoare annotation was computed. [2023-11-12 02:04:41,775 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2023-11-12 02:04:41,775 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2023-11-12 02:04:41,776 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0))) [2023-11-12 02:04:41,778 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_8~0 ~var_1_8~0))) [2023-11-12 02:04:41,779 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-12 02:04:41,780 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))))))) [2023-11-12 02:04:41,780 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_4~0) (_ bv0 32)) (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))))))) [2023-11-12 02:04:41,780 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-12 02:04:41,781 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-12 02:04:41,781 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-12 02:04:41,781 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-12 02:04:41,786 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:04:41,789 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:41,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-11-12 02:04:41,807 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-11-12 02:04:41,812 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-11-12 02:04:41,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-11-12 02:04:41,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:41 BoogieIcfgContainer [2023-11-12 02:04:41,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:41,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:41,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:41,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:41,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:31" (3/4) ... [2023-11-12 02:04:41,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:04:41,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 02:04:41,831 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 02:04:41,832 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:04:41,832 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:04:41,833 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:04:41,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:04:41,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:04:41,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:41,973 INFO L158 Benchmark]: Toolchain (without parser) took 11174.10ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 53.4MB in the beginning and 61.3MB in the end (delta: -7.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,974 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:41,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.42ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.48ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,975 INFO L158 Benchmark]: Boogie Preprocessor took 80.11ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 38.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:41,976 INFO L158 Benchmark]: RCFGBuilder took 539.46ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 50.9MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,976 INFO L158 Benchmark]: TraceAbstraction took 9985.86ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 50.1MB in the beginning and 66.6MB in the end (delta: -16.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,977 INFO L158 Benchmark]: Witness Printer took 156.85ms. Allocated memory is still 132.1MB. Free memory was 66.6MB in the beginning and 61.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:41,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.42ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.48ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.11ms. Allocated memory is still 77.6MB. Free memory was 39.4MB in the beginning and 38.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.46ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 50.9MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9985.86ms. Allocated memory was 77.6MB in the beginning and 132.1MB in the end (delta: 54.5MB). Free memory was 50.1MB in the beginning and 66.6MB in the end (delta: -16.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Witness Printer took 156.85ms. Allocated memory is still 132.1MB. Free memory was 66.6MB in the beginning and 61.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 402 IncrementalHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 89 mSDtfsCounter, 402 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 45 PreInvPairs, 69 NumberOfFragments, 243 HoareAnnotationTreeSize, 45 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 487 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 213 ConstructedInterpolants, 4 QuantifiedInterpolants, 684 SizeOfPredicates, 20 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 633/660 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant [2023-11-12 02:04:42,005 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-11-12 02:04:42,006 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-11-12 02:04:42,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-11-12 02:04:42,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated Derived loop invariant: (var_1_4 <= 0) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:04:42,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded998f1-e039-454e-a612-2b98d51fb2f9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE