./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:00,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:00,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:20:00,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:00,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:00,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:00,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:00,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:00,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:00,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:00,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:00,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:00,347 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:00,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:00,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:00,350 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:00,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:00,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:00,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:00,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:00,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:00,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:00,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:00,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:00,355 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:00,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:00,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:00,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:00,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:00,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:00,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:00,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:00,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:00,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:00,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:00,361 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:00,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:00,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:00,362 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:00,362 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2023-11-06 22:20:00,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:00,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:00,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:00,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:00,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:00,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:03,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:04,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:04,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:04,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/06e6ad109/06042d537de64ef187037911ddf967c6/FLAG2ef8f0c54 [2023-11-06 22:20:04,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/06e6ad109/06042d537de64ef187037911ddf967c6 [2023-11-06 22:20:04,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:04,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:04,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:04,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:04,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:04,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6945491d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04, skipping insertion in model container [2023-11-06 22:20:04,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:04,498 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2023-11-06 22:20:04,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:04,578 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:04,597 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2023-11-06 22:20:04,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:04,664 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:04,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04 WrapperNode [2023-11-06 22:20:04,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:04,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:04,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:04,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:04,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,746 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2023-11-06 22:20:04,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:04,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:04,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:04,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:04,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:04,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:04,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:04,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:04,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (1/1) ... [2023-11-06 22:20:04,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:04,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:04,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:04,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:20:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:04,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:04,984 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:04,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:05,270 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:05,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:05,283 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:05,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:05 BoogieIcfgContainer [2023-11-06 22:20:05,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:05,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:05,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:05,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:05,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:04" (1/3) ... [2023-11-06 22:20:05,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ca8cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:05, skipping insertion in model container [2023-11-06 22:20:05,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:04" (2/3) ... [2023-11-06 22:20:05,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ca8cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:05, skipping insertion in model container [2023-11-06 22:20:05,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:05" (3/3) ... [2023-11-06 22:20:05,296 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:05,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:05,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:05,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:05,383 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=LoopsAndPotentialCycles, 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;@6bdd2c08, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:05,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:20:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:20:05,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:05,403 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:05,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:05,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:05,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2023-11-06 22:20:05,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:05,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988910542] [2023-11-06 22:20:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:05,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:20:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:20:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:20:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:20:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:20:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:20:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:20:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:20:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:20:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:20:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:20:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:20:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:20:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:20:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:20:05,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988910542] [2023-11-06 22:20:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988910542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:05,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:05,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:05,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375016322] [2023-11-06 22:20:05,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:05,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:05,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:05,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:05,996 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:20:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:06,042 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2023-11-06 22:20:06,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:06,045 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-06 22:20:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:06,054 INFO L225 Difference]: With dead ends: 85 [2023-11-06 22:20:06,054 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 22:20:06,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:06,064 INFO L413 NwaCegarLoop]: 59 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, 59 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 [2023-11-06 22:20:06,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 22:20:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 22:20:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:20:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2023-11-06 22:20:06,121 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2023-11-06 22:20:06,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:06,122 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2023-11-06 22:20:06,123 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:20:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-06 22:20:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:20:06,131 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:06,131 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:06,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:20:06,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:06,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:06,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2023-11-06 22:20:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:06,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53393990] [2023-11-06 22:20:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:06,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:06,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:20:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:06,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:20:06,401 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:20:06,403 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:20:06,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:20:06,409 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:20:06,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:20:06,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:20:06 BoogieIcfgContainer [2023-11-06 22:20:06,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:20:06,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:20:06,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:20:06,481 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:20:06,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:05" (3/4) ... [2023-11-06 22:20:06,483 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:20:06,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:20:06,486 INFO L158 Benchmark]: Toolchain (without parser) took 2202.50ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 108.9MB in the beginning and 147.4MB in the end (delta: -38.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-06 22:20:06,486 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:06,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.71ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 96.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:20:06,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.37ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:20:06,489 INFO L158 Benchmark]: Boogie Preprocessor took 48.29ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:20:06,489 INFO L158 Benchmark]: RCFGBuilder took 489.26ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 80.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:20:06,490 INFO L158 Benchmark]: TraceAbstraction took 1191.15ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 79.1MB in the beginning and 148.5MB in the end (delta: -69.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:06,491 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 211.8MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:06,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.71ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 96.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.37ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 94.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.29ms. Allocated memory is still 155.2MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.26ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 80.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.15ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 79.1MB in the beginning and 148.5MB in the end (delta: -69.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 211.8MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L95] RET updateVariables() [L96] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L96] RET step() [L97] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=264, var_1_11=0, var_1_12=16, var_1_13=263, var_1_14=264, var_1_15=262, var_1_16=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=0, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, 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, 59 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, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 [2023-11-06 22:20:06,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:09,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:09,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:20:09,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:09,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:09,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:09,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:09,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:09,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:09,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:09,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:09,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:09,381 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:09,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:09,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:09,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:09,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:09,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:09,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:09,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:09,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:09,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:20:09,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:20:09,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:20:09,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:09,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:09,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:09,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:09,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:09,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:09,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:09,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:09,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:09,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:09,395 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:20:09,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:20:09,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:09,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:09,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:09,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:09,398 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:20:09,398 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:09,399 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b3c7435982770834cfc131463d786948517df0041a2df466feb43cba8dfce9a [2023-11-06 22:20:09,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:09,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:09,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:09,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:09,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:09,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:13,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:13,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:13,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:13,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/52a82b828/bd7db89f742040afb79df410b9101d7f/FLAGf3317d843 [2023-11-06 22:20:13,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/data/52a82b828/bd7db89f742040afb79df410b9101d7f [2023-11-06 22:20:13,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:13,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:13,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:13,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:13,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:13,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559e5e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13, skipping insertion in model container [2023-11-06 22:20:13,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:13,676 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2023-11-06 22:20:13,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:13,770 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:13,788 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_9ce5f98e-2324-48d5-a78c-76bd8c1933af/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-62.i[915,928] [2023-11-06 22:20:13,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:13,841 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:13,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13 WrapperNode [2023-11-06 22:20:13,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:13,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:13,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:13,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:13,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,890 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-06 22:20:13,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:13,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:13,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:13,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:13,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:13,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:13,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:13,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:13,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (1/1) ... [2023-11-06 22:20:13,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:13,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:20:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:14,097 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:14,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:15,872 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:15,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:15,879 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:15,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:15 BoogieIcfgContainer [2023-11-06 22:20:15,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:15,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:15,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:15,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:15,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:13" (1/3) ... [2023-11-06 22:20:15,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1b8aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:15, skipping insertion in model container [2023-11-06 22:20:15,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:13" (2/3) ... [2023-11-06 22:20:15,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1b8aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:15, skipping insertion in model container [2023-11-06 22:20:15,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:15" (3/3) ... [2023-11-06 22:20:15,893 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-62.i [2023-11-06 22:20:15,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:15,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:15,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:15,998 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=LoopsAndPotentialCycles, 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;@6c0a9175, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:15,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:20:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:20:16,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:16,059 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:16,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:16,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:16,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1942112404, now seen corresponding path program 1 times [2023-11-06 22:20:16,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:16,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645027589] [2023-11-06 22:20:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:16,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:20:16,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:16,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:16,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:16,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:16,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-06 22:20:16,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:16,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:16,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645027589] [2023-11-06 22:20:16,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645027589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:16,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:16,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:16,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024393421] [2023-11-06 22:20:16,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:16,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:16,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:16,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:16,656 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:20:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:16,692 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2023-11-06 22:20:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:16,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-06 22:20:16,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:16,702 INFO L225 Difference]: With dead ends: 85 [2023-11-06 22:20:16,702 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 22:20:16,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:16,709 INFO L413 NwaCegarLoop]: 59 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, 59 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 [2023-11-06 22:20:16,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 22:20:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 22:20:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:20:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions. [2023-11-06 22:20:16,760 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 91 [2023-11-06 22:20:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:16,761 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 59 transitions. [2023-11-06 22:20:16,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:20:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-06 22:20:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:20:16,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:16,766 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:16,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:16,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:16,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:16,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1958631132, now seen corresponding path program 1 times [2023-11-06 22:20:16,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586242139] [2023-11-06 22:20:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:16,985 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 [2023-11-06 22:20:16,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:16,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:16,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:17,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:20:17,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-06 22:21:14,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:04,806 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse37 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse4 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (.cse22 (bvslt .cse37 (_ bv0 32))) (.cse36 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse2 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse23 (= .cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse37)))) (.cse25 (= .cse36 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse37))))) (.cse26 (not .cse22)) (.cse18 (bvslt .cse37 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse3 (= (_ bv4 32) .cse36)) (.cse33 (not .cse4)) (.cse34 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse24 (and .cse1 .cse3 .cse33 .cse34)) (.cse10 (= .cse35 (_ bv15 32))) (.cse5 (not .cse18)) (.cse27 (or (and .cse25 .cse33 .cse34) .cse26)) (.cse28 (or .cse22 (and .cse33 .cse23 .cse34))) (.cse20 (not .cse2)) (.cse30 (or .cse22 (and .cse4 .cse23))) (.cse31 (or (and .cse25 .cse4) .cse26)) (.cse29 (not .cse6))) (let ((.cse12 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse14 (or (and (or .cse2 (and .cse30 .cse31 .cse18)) (or .cse20 (and .cse30 .cse31))) .cse29)) (.cse13 (or (and (or .cse2 (and .cse1 .cse27 .cse28 .cse18)) (or (let ((.cse32 (and .cse27 .cse28))) (and .cse1 (or .cse5 .cse32) (or .cse32 .cse18))) .cse20)) .cse29)) (.cse0 (or (and .cse1 .cse2 .cse30 .cse5 .cse31) .cse29)) (.cse7 (not .cse10)) (.cse8 (or (and .cse1 .cse2 .cse27 .cse28 .cse5) .cse29)) (.cse11 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse15 (or (and (or .cse25 .cse24) (or (not .cse25) .cse24)) .cse26)) (.cse16 (or .cse22 (and (or (not .cse23) .cse24) (or .cse24 .cse23)))) (.cse17 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (let ((.cse9 (or (and .cse2 .cse15 .cse5 .cse16) .cse6))) (and (or (and (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6)) .cse7) (or (and .cse8 .cse9) .cse10)) .cse11) (or .cse12 (and (or (and .cse13 .cse9) .cse10) (or .cse7 (and .cse1 .cse14 (or (and .cse2 .cse3 .cse4 .cse5) .cse6))))))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse17) c_~var_1_14~0)))) (or (let ((.cse19 (or (and (or .cse2 (and .cse15 .cse16 .cse18)) (or .cse20 (let ((.cse21 (and .cse15 .cse16))) (and (or .cse5 .cse21) (or .cse21 .cse18))))) .cse6))) (and (or .cse12 (and (or (and .cse1 .cse14 (or (and .cse3 .cse4 (or .cse2 .cse18)) .cse6)) .cse7) (or (and .cse13 .cse19) .cse10))) (or (and (or (and (or (and (or .cse2 (and .cse1 .cse3 .cse4 .cse18)) (or .cse20 (and .cse1 .cse3 .cse4))) .cse6) .cse0) .cse7) (or (and .cse8 .cse19) .cse10)) .cse11))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse17) c_~var_1_14~0))))))))))) is different from true [2023-11-06 22:23:23,427 WARN L839 $PredicateComparison]: unable to prove that (or (let ((.cse16 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse5 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 ((_ sign_extend 24) c_~var_1_2~0)) (.cse15 (bvslt .cse16 (_ bv0 32))) (.cse9 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (bvslt .cse16 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse10 (not .cse17)) (.cse4 (or .cse9 .cse17)) (.cse11 (or (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse16)))) (not .cse15))) (.cse12 (or .cse15 (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) .cse16))))) (.cse13 (not .cse5))) (let ((.cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse2 (or (and .cse4 .cse11 .cse12) .cse13)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse3 (= (_ bv4 32) .cse14)) (.cse7 (or (and .cse1 .cse9 .cse10 .cse11 .cse12) .cse13)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse3 .cse4) .cse5))) (or .cse6 (and .cse7 (or (and .cse1 .cse3 .cse4) .cse5)))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))) (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse9 .cse3 .cse10) .cse5))) (or .cse6 (and (or (and .cse1 .cse9 .cse3 .cse10) .cse5) .cse7))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) is different from false [2023-11-06 22:23:25,455 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse16 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse5 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 ((_ sign_extend 24) c_~var_1_2~0)) (.cse15 (bvslt .cse16 (_ bv0 32))) (.cse9 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (bvslt .cse16 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse10 (not .cse17)) (.cse4 (or .cse9 .cse17)) (.cse11 (or (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse16)))) (not .cse15))) (.cse12 (or .cse15 (= .cse14 ((_ sign_extend 24) ((_ extract 7 0) .cse16))))) (.cse13 (not .cse5))) (let ((.cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse2 (or (and .cse4 .cse11 .cse12) .cse13)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse3 (= (_ bv4 32) .cse14)) (.cse7 (or (and .cse1 .cse9 .cse10 .cse11 .cse12) .cse13)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse3 .cse4) .cse5))) (or .cse6 (and .cse7 (or (and .cse1 .cse3 .cse4) .cse5)))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))) (or (and (or .cse0 (and .cse1 .cse2 (or (and .cse9 .cse3 .cse10) .cse5))) (or .cse6 (and (or (and .cse1 .cse9 .cse3 .cse10) .cse5) .cse7))) (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse8) c_~var_1_14~0))))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) is different from true [2023-11-06 22:23:44,246 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse9 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse9)) (.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse5 (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse10 ((_ sign_extend 24) ~var_1_4~0))) (or (= ((_ sign_extend 24) ((_ extract 7 0) .cse10)) .cse9) (bvslt .cse10 (bvadd (_ bv16 32) (bvneg ((_ sign_extend 24) ~var_1_12~0)) ((_ sign_extend 24) ~var_1_11~0))) (bvslt .cse10 (_ bv0 32)))))) (.cse6 (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) ~var_1_4~0))) (or (not (bvslt .cse8 (_ bv0 32))) (= .cse9 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse8)))) (bvslt .cse8 (bvadd (_ bv16 32) (bvneg ((_ sign_extend 24) ~var_1_12~0)) ((_ sign_extend 24) ~var_1_11~0))))))) (.cse7 (not .cse4))) (and (or (and .cse2 (or .cse3 .cse4) (or (and .cse5 .cse6) .cse7)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (or (and (or (and .cse2 .cse3) .cse4) (or (and .cse2 .cse5 .cse6) .cse7)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2023-11-06 22:23:55,709 WARN L861 $PredicateComparison]: unable to prove that (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2023-11-06 22:23:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:23:55,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:55,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586242139] [2023-11-06 22:23:55,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586242139] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:55,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:55,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-11-06 22:23:55,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744130613] [2023-11-06 22:23:55,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:55,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:55,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=124, Unknown=5, NotChecked=100, Total=272 [2023-11-06 22:23:55,871 INFO L87 Difference]: Start difference. First operand 42 states and 59 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:23:57,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:59,419 WARN L861 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_property_#res#1| (_ bv0 32))) (or (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (let ((.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0)))) .cse1) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse0) c_~var_1_14~0))) .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)))) is different from true [2023-11-06 22:23:59,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:59,420 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2023-11-06 22:23:59,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:59,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 91 [2023-11-06 22:23:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:59,424 INFO L225 Difference]: With dead ends: 76 [2023-11-06 22:23:59,424 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:23:59,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=49, Invalid=147, Unknown=6, NotChecked=140, Total=342 [2023-11-06 22:23:59,426 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 15 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 447 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:59,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 259 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 447 Unchecked, 1.4s Time] [2023-11-06 22:23:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:23:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 47. [2023-11-06 22:23:59,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:23:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2023-11-06 22:23:59,444 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 91 [2023-11-06 22:23:59,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:59,445 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2023-11-06 22:23:59,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-06 22:23:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2023-11-06 22:23:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:23:59,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:59,448 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:59,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:59,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:59,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:59,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:59,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1960478174, now seen corresponding path program 1 times [2023-11-06 22:23:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:59,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726236186] [2023-11-06 22:23:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:59,653 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 [2023-11-06 22:23:59,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:59,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:59,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ce5f98e-2324-48d5-a78c-76bd8c1933af/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:23:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:59,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:23:59,948 INFO L285 TraceCheckSpWp]: Computing forward predicates...