./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:37,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:37,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:41:37,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:37,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:37,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:37,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:37,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:37,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:37,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:37,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:37,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:37,407 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:37,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:37,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:37,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:37,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:37,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:37,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:37,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:37,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:37,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:37,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:37,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:37,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:37,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:37,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:37,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:37,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:37,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:37,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:37,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:37,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:37,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:37,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:37,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:37,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:37,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:37,423 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:37,424 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_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf [2023-11-19 07:41:37,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:37,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:37,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:37,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:37,784 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:37,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:41,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:41,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:41,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:41,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/cc8071948/c4efd1ad1da94ac496071a89bcd814d6/FLAG5043e24f1 [2023-11-19 07:41:41,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/cc8071948/c4efd1ad1da94ac496071a89bcd814d6 [2023-11-19 07:41:41,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:41,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:41,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:41,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:41,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:41,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b64e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41, skipping insertion in model container [2023-11-19 07:41:41,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:41,483 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_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2023-11-19 07:41:41,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:41,586 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:41,605 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_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2023-11-19 07:41:41,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:41,681 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:41,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41 WrapperNode [2023-11-19 07:41:41,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:41,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:41,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:41,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:41,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,770 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 07:41:41,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:41,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:41,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:41,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:41,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:41,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:41,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:41,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:41,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (1/1) ... [2023-11-19 07:41:41,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:41,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:41:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:41:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:41:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:42,026 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:42,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:42,340 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:42,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:42,350 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:41:42,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:42 BoogieIcfgContainer [2023-11-19 07:41:42,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:42,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:42,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:42,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:42,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:41" (1/3) ... [2023-11-19 07:41:42,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404d4e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:42, skipping insertion in model container [2023-11-19 07:41:42,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:41" (2/3) ... [2023-11-19 07:41:42,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404d4e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:42, skipping insertion in model container [2023-11-19 07:41:42,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:42" (3/3) ... [2023-11-19 07:41:42,365 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:42,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:42,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:41:42,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:42,454 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5277c9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:42,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:41:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:41:42,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:42,479 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:42,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:42,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:42,488 INFO L85 PathProgramCache]: Analyzing trace with hash -974881815, now seen corresponding path program 1 times [2023-11-19 07:41:42,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:42,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28761091] [2023-11-19 07:41:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:42,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:41:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:41:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:41:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:41:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:41:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:41:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:41:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 07:41:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:41:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:41:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:41:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:41:42,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:42,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28761091] [2023-11-19 07:41:42,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28761091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:42,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:42,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:42,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174479698] [2023-11-19 07:41:42,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:42,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:42,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:42,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:42,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:42,969 INFO L87 Difference]: Start difference. First operand has 51 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:41:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:43,002 INFO L93 Difference]: Finished difference Result 95 states and 153 transitions. [2023-11-19 07:41:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:43,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2023-11-19 07:41:43,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:43,015 INFO L225 Difference]: With dead ends: 95 [2023-11-19 07:41:43,016 INFO L226 Difference]: Without dead ends: 47 [2023-11-19 07:41:43,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:43,033 INFO L413 NwaCegarLoop]: 67 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, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:43,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-19 07:41:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-19 07:41:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2023-11-19 07:41:43,096 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 80 [2023-11-19 07:41:43,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:43,097 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2023-11-19 07:41:43,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:41:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2023-11-19 07:41:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:41:43,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:43,104 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:43,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:41:43,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:43,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:43,112 INFO L85 PathProgramCache]: Analyzing trace with hash 732350063, now seen corresponding path program 1 times [2023-11-19 07:41:43,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:43,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683999771] [2023-11-19 07:41:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:41:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:41:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:41:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:41:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:41:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:41:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:41:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 07:41:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:41:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:41:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:41:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:41:43,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:43,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683999771] [2023-11-19 07:41:43,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683999771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:43,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:43,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:41:43,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645880916] [2023-11-19 07:41:43,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:43,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:41:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:43,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:41:43,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:43,690 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:43,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:43,756 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2023-11-19 07:41:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:41:43,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2023-11-19 07:41:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:43,760 INFO L225 Difference]: With dead ends: 92 [2023-11-19 07:41:43,761 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:41:43,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:41:43,763 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:43,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:41:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:41:43,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:41:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2023-11-19 07:41:43,783 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 80 [2023-11-19 07:41:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:43,785 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2023-11-19 07:41:43,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-11-19 07:41:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:41:43,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:43,788 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:43,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:41:43,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:43,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:43,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1433414641, now seen corresponding path program 1 times [2023-11-19 07:41:43,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:43,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892711842] [2023-11-19 07:41:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:43,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:41:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:41:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:41:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:41:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:41:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:41:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:41:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 07:41:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:41:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:41:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:41:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:41:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:44,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892711842] [2023-11-19 07:41:44,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892711842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:44,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:44,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:41:44,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591595220] [2023-11-19 07:41:44,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:44,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:41:44,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:44,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:41:44,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:41:44,138 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:44,302 INFO L93 Difference]: Finished difference Result 138 states and 198 transitions. [2023-11-19 07:41:44,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:41:44,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2023-11-19 07:41:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:44,305 INFO L225 Difference]: With dead ends: 138 [2023-11-19 07:41:44,305 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 07:41:44,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:41:44,308 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 49 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:44,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 170 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:41:44,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 07:41:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85. [2023-11-19 07:41:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 60 states have internal predecessors, (79), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:41:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2023-11-19 07:41:44,331 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 80 [2023-11-19 07:41:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:44,332 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2023-11-19 07:41:44,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 07:41:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2023-11-19 07:41:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:41:44,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:44,335 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:44,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:41:44,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:44,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash 990515501, now seen corresponding path program 1 times [2023-11-19 07:41:44,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:44,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981117500] [2023-11-19 07:41:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:44,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:44,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:44,472 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:41:44,473 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:41:44,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:41:44,480 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:41:44,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:44,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:41:44,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 07:41:44,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:44 BoogieIcfgContainer [2023-11-19 07:41:44,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:44,551 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:44,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:44,551 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:44,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:42" (3/4) ... [2023-11-19 07:41:44,554 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:41:44,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:44,556 INFO L158 Benchmark]: Toolchain (without parser) took 3279.00ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.2MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,557 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:44,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.71ms. Allocated memory is still 130.0MB. Free memory was 92.5MB in the beginning and 79.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.21ms. Allocated memory is still 130.0MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,559 INFO L158 Benchmark]: Boogie Preprocessor took 33.93ms. Allocated memory is still 130.0MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,559 INFO L158 Benchmark]: RCFGBuilder took 540.35ms. Allocated memory is still 130.0MB. Free memory was 76.1MB in the beginning and 61.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,560 INFO L158 Benchmark]: TraceAbstraction took 2193.04ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 60.2MB in the beginning and 90.3MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:44,561 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:44,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.71ms. Allocated memory is still 130.0MB. Free memory was 92.5MB in the beginning and 79.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.21ms. Allocated memory is still 130.0MB. Free memory was 79.9MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.93ms. Allocated memory is still 130.0MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.35ms. Allocated memory is still 130.0MB. Free memory was 76.1MB in the beginning and 61.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2193.04ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 60.2MB in the beginning and 90.3MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 89.3MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of shiftRight at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] float var_1_3 = 999999999.875; [L24] unsigned char var_1_4 = 0; [L25] float var_1_5 = 4.25; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_9 = 1; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 9.5; [L30] double var_1_12 = 199.5; [L31] double var_1_13 = 3.5; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_16 = 2; [L34] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=7999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=7999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L76] var_1_5 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L77] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L82] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L84] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L86] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L103] RET updateVariables() [L104] CALL step() [L38] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L38] COND TRUE (last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14) [L39] var_1_7 = (var_1_4 || var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=1, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L41] COND FALSE !(var_1_13 == (- var_1_12)) [L48] var_1_14 = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L50] COND FALSE !(var_1_5 > var_1_3) [L53] var_1_10 = ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L55] unsigned char stepLocal_0 = var_1_10 > var_1_10; VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=0, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=1, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L56] COND FALSE !(stepLocal_0 && var_1_7) [L67] var_1_1 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=0, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=0, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=0, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L95-L96] return (((((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1)) && ((var_1_5 > var_1_3) ? (var_1_10 == ((double) 4.6)) : (var_1_10 == ((double) ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))))))) && ((var_1_13 == (- var_1_12)) ? ((var_1_7 && var_1_7) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : (var_1_14 == ((unsigned char) 0))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=0, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=4, var_1_1=0, var_1_4=1, var_1_5=1000000005, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 359 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 194 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:41:44,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:47,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:47,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:41:47,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:47,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:47,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:47,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:47,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:47,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:47,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:47,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:47,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:47,611 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:47,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:47,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:47,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:47,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:47,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:47,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:47,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:47,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:47,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:41:47,616 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:41:47,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:41:47,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:47,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:47,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:47,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:47,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:47,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:47,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:47,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:47,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:47,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:47,621 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:41:47,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:41:47,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:47,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:47,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:47,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:47,623 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:41:47,623 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:47,623 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_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf [2023-11-19 07:41:48,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:48,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:48,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:48,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:48,125 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:48,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:51,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:51,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:51,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:51,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/b50cec832/ed5bd7d059ba4d16a4cc06aef21364c0/FLAGce551765c [2023-11-19 07:41:51,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/data/b50cec832/ed5bd7d059ba4d16a4cc06aef21364c0 [2023-11-19 07:41:51,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:51,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:51,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:51,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:51,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:51,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:51" (1/1) ... [2023-11-19 07:41:51,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ddc2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:51, skipping insertion in model container [2023-11-19 07:41:51,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:51" (1/1) ... [2023-11-19 07:41:52,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:52,276 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_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2023-11-19 07:41:52,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:52,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:52,392 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_984f668b-9621-46f1-acda-b40b60ec1d0b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2023-11-19 07:41:52,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:52,455 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:52,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52 WrapperNode [2023-11-19 07:41:52,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:52,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:52,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:52,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:52,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,532 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-19 07:41:52,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:52,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:52,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:52,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:52,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:52,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:52,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:52,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:52,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (1/1) ... [2023-11-19 07:41:52,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:52,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:52,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:52,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:41:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:41:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:41:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:41:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:52,747 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:52,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:53,118 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:53,133 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:53,133 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:41:53,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:53 BoogieIcfgContainer [2023-11-19 07:41:53,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:53,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:41:53,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:41:53,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:41:53,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:51" (1/3) ... [2023-11-19 07:41:53,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce5ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:53, skipping insertion in model container [2023-11-19 07:41:53,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:52" (2/3) ... [2023-11-19 07:41:53,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce5ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:41:53, skipping insertion in model container [2023-11-19 07:41:53,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:53" (3/3) ... [2023-11-19 07:41:53,153 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-36.i [2023-11-19 07:41:53,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:41:53,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:41:53,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:53,263 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6fe935ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:53,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:41:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 07:41:53,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:53,293 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:53,296 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:53,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:53,305 INFO L85 PathProgramCache]: Analyzing trace with hash 495907231, now seen corresponding path program 1 times [2023-11-19 07:41:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:41:53,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142418149] [2023-11-19 07:41:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:41:53,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:41:53,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:41:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:53,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:41:53,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 07:41:53,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:41:53,662 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:41:53,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142418149] [2023-11-19 07:41:53,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142418149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:53,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:53,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459150548] [2023-11-19 07:41:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:53,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:41:53,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:53,729 INFO L87 Difference]: Start difference. First operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:41:53,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:53,764 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2023-11-19 07:41:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:53,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2023-11-19 07:41:53,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:53,777 INFO L225 Difference]: With dead ends: 85 [2023-11-19 07:41:53,778 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 07:41:53,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:53,787 INFO L413 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:53,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:41:53,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 07:41:53,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-19 07:41:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:41:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2023-11-19 07:41:53,847 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 77 [2023-11-19 07:41:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:53,848 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2023-11-19 07:41:53,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:41:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-19 07:41:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 07:41:53,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:53,856 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:53,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:54,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:41:54,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:54,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash 842990299, now seen corresponding path program 1 times [2023-11-19 07:41:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:41:54,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519538074] [2023-11-19 07:41:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:54,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:41:54,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:41:54,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:41:54,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f668b-9621-46f1-acda-b40b60ec1d0b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:41:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:54,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:41:54,330 INFO L285 TraceCheckSpWp]: Computing forward predicates...