./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.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_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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_e8b740b2-2d85-4312-a8e4-51293073f111/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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:47,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:47,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:11:47,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:47,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:47,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:47,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:47,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:47,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:47,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:47,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:47,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:47,349 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:47,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:47,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:47,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:47,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:47,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:47,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:47,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:47,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:47,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:47,355 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:47,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:47,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:47,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:47,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:47,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:47,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:47,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:47,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:47,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:47,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:47,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:47,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:47,360 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:47,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:47,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:47,360 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:47,360 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_e8b740b2-2d85-4312-a8e4-51293073f111/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2023-11-06 23:11:47,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:47,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:47,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:47,673 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:47,674 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:47,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:11:51,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:51,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:51,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:11:51,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/208a69cff/e677a500552b457dac286657f65e78ab/FLAG6bd0299f1 [2023-11-06 23:11:51,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/208a69cff/e677a500552b457dac286657f65e78ab [2023-11-06 23:11:51,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:51,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:51,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:51,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:51,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:51,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520e6a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51, skipping insertion in model container [2023-11-06 23:11:51,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:51,471 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_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i[917,930] [2023-11-06 23:11:51,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:51,546 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:51,559 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_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i[917,930] [2023-11-06 23:11:51,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:51,606 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:51,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51 WrapperNode [2023-11-06 23:11:51,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:51,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:51,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:51,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:51,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,674 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-06 23:11:51,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:51,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:51,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:51,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:51,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:51,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:51,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:51,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:51,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (1/1) ... [2023-11-06 23:11:51,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:51,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:51,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:11:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:11:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:51,897 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:51,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:52,307 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:52,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:52,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:11:52,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:52 BoogieIcfgContainer [2023-11-06 23:11:52,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:52,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:52,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:52,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:52,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:51" (1/3) ... [2023-11-06 23:11:52,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21fda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:52, skipping insertion in model container [2023-11-06 23:11:52,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:51" (2/3) ... [2023-11-06 23:11:52,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f21fda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:52, skipping insertion in model container [2023-11-06 23:11:52,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:52" (3/3) ... [2023-11-06 23:11:52,342 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:11:52,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:52,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:11:52,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:52,413 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;@5bc34c20, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:52,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:11:52,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 23:11:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:11:52,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:52,431 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:52,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:52,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2023-11-06 23:11:52,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992913392] [2023-11-06 23:11:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992913392] [2023-11-06 23:11:52,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 23:11:52,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947520018] [2023-11-06 23:11:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:52,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:52,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:52,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:11:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:11:52,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-06 23:11:53,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:53,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947520018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:53,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:53,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:53,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782637605] [2023-11-06 23:11:53,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:53,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:11:53,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:53,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:11:53,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:53,063 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:11:53,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:53,105 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2023-11-06 23:11:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:11:53,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2023-11-06 23:11:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:53,115 INFO L225 Difference]: With dead ends: 103 [2023-11-06 23:11:53,115 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 23:11:53,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 23:11:53,123 INFO L413 NwaCegarLoop]: 74 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, 74 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 23:11:53,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 23:11:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 23:11:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 23:11:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2023-11-06 23:11:53,169 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2023-11-06 23:11:53,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:53,170 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2023-11-06 23:11:53,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:11:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2023-11-06 23:11:53,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:11:53,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:53,175 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:11:53,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:11:53,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 23:11:53,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:53,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:53,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2023-11-06 23:11:53,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:53,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364396609] [2023-11-06 23:11:53,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:53,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:53,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:11:53,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942804994] [2023-11-06 23:11:53,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:53,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:53,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:53,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:53,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:11:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:11:53,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:11:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:11:53,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:11:53,874 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:11:53,876 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:11:53,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:54,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:54,088 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 23:11:54,091 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:54,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:54 BoogieIcfgContainer [2023-11-06 23:11:54,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:54,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:54,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:54,225 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:54,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:52" (3/4) ... [2023-11-06 23:11:54,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:11:54,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:54,233 INFO L158 Benchmark]: Toolchain (without parser) took 2967.39ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 99.9MB in the beginning and 99.3MB in the end (delta: 563.4kB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,234 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:54,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.33ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 86.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.07ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,239 INFO L158 Benchmark]: Boogie Preprocessor took 45.18ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,239 INFO L158 Benchmark]: RCFGBuilder took 598.94ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 81.8MB in the beginning and 169.6MB in the end (delta: -87.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,240 INFO L158 Benchmark]: TraceAbstraction took 1889.49ms. Allocated memory is still 203.4MB. Free memory was 168.5MB in the beginning and 100.4MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,245 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 203.4MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:54,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.33ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 86.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.07ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 83.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.18ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 81.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.94ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 81.8MB in the beginning and 169.6MB in the end (delta: -87.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1889.49ms. Allocated memory is still 203.4MB. Free memory was 168.5MB in the beginning and 100.4MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 203.4MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 1000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=319/5, var_1_9=2] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=25921, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=-8, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, stepLocal_0=25921, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, stepLocal_0=25921, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=25921, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L62] COND FALSE !(var_1_8 != var_1_8) VAL [isInitial=1, stepLocal_0=25921, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=25921, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=25921, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=25921, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=5, var_1_13=161, var_1_15=6, var_1_16=25921, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=65534, var_1_5=160, var_1_6=25921, var_1_7=161, var_1_8=7, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 18, 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, 74 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, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 266 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 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 23:11:54,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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_e8b740b2-2d85-4312-a8e4-51293073f111/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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:56,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:56,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:11:56,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:56,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:57,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:57,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:57,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:57,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:57,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:57,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:57,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:57,017 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:57,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:57,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:57,020 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:57,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:57,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:57,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:57,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:57,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:57,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:11:57,024 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:11:57,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:11:57,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:57,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:57,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:57,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:57,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:57,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:57,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:57,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:57,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:57,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:57,031 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:11:57,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:11:57,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:57,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:57,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:57,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:57,034 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:11:57,034 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:57,034 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_e8b740b2-2d85-4312-a8e4-51293073f111/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2023-11-06 23:11:57,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:57,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:57,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:57,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:57,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:57,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:12:00,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:01,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:01,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:12:01,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/04ecc600f/e96627e51d68432aa45a2b60efee5120/FLAG530bc8f12 [2023-11-06 23:12:01,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/data/04ecc600f/e96627e51d68432aa45a2b60efee5120 [2023-11-06 23:12:01,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:01,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:01,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:01,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:01,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:01,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d1d509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01, skipping insertion in model container [2023-11-06 23:12:01,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:01,467 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_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i[917,930] [2023-11-06 23:12:01,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:01,554 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:12:01,566 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_e8b740b2-2d85-4312-a8e4-51293073f111/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i[917,930] [2023-11-06 23:12:01,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:01,619 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:12:01,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01 WrapperNode [2023-11-06 23:12:01,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:01,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:01,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:12:01,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:12:01,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,686 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-06 23:12:01,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:01,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:12:01,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:12:01,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:12:01,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:12:01,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:12:01,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:12:01,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:12:01,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (1/1) ... [2023-11-06 23:12:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:01,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:01,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:12:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:12:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:12:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:12:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:12:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:12:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:12:02,000 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:12:02,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:10,214 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:10,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:10,227 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:12:10,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:10 BoogieIcfgContainer [2023-11-06 23:12:10,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:10,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:12:10,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:12:10,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:12:10,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:12:01" (1/3) ... [2023-11-06 23:12:10,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd6ab7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:10, skipping insertion in model container [2023-11-06 23:12:10,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:01" (2/3) ... [2023-11-06 23:12:10,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd6ab7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:10, skipping insertion in model container [2023-11-06 23:12:10,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:10" (3/3) ... [2023-11-06 23:12:10,240 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2023-11-06 23:12:10,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:12:10,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:12:10,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:10,331 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;@2379dfb2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:10,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:12:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 23:12:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:12:10,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:10,351 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:12:10,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:10,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:10,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2023-11-06 23:12:10,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:10,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924196206] [2023-11-06 23:12:10,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:10,378 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 23:12:10,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:10,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:10,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:11,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:12:11,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-06 23:12:11,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:11,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:11,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924196206] [2023-11-06 23:12:11,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924196206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:11,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:11,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229140437] [2023-11-06 23:12:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:11,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:12:11,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:11,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:12:11,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:11,632 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:12:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:11,671 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2023-11-06 23:12:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:12:11,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2023-11-06 23:12:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:11,681 INFO L225 Difference]: With dead ends: 103 [2023-11-06 23:12:11,682 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 23:12:11,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 23:12:11,689 INFO L413 NwaCegarLoop]: 74 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, 74 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 23:12:11,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:11,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 23:12:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 23:12:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 23:12:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2023-11-06 23:12:11,735 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2023-11-06 23:12:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:11,736 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2023-11-06 23:12:11,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 23:12:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2023-11-06 23:12:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:12:11,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:11,740 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:12:11,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:11,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:11,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:11,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:11,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2023-11-06 23:12:11,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:11,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584226011] [2023-11-06 23:12:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:11,957 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 23:12:11,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:11,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:11,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b740b2-2d85-4312-a8e4-51293073f111/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 23:12:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:13,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:12:13,065 INFO L285 TraceCheckSpWp]: Computing forward predicates...