./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:54,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:54,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:34:54,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:54,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:54,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:54,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:54,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:54,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:54,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:54,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:54,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:54,863 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:54,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:54,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:54,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:54,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:54,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:54,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:54,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:54,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:54,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:54,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:54,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:54,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:54,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:54,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:54,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:54,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:54,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:54,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:54,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:54,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:54,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:54,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:54,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:54,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:54,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:54,889 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:54,889 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 [2023-11-19 07:34:55,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:55,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:55,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:55,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:55,266 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:55,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:34:58,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:58,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:58,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:34:58,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/3fc348de2/23139a6233eb4b038857112a297885cb/FLAG45f726add [2023-11-19 07:34:58,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/3fc348de2/23139a6233eb4b038857112a297885cb [2023-11-19 07:34:58,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:58,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:58,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:58,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:58,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:58,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:58" (1/1) ... [2023-11-19 07:34:58,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112af00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:58, skipping insertion in model container [2023-11-19 07:34:58,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:58" (1/1) ... [2023-11-19 07:34:58,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:58,972 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2023-11-19 07:34:59,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:59,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:59,067 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2023-11-19 07:34:59,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:59,121 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:59,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59 WrapperNode [2023-11-19 07:34:59,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:59,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:59,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:59,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:59,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,191 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-19 07:34:59,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:59,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:59,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:59,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:59,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:59,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:59,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:59,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:59,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (1/1) ... [2023-11-19 07:34:59,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:59,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:59,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:59,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:34:59,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:34:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:59,498 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:59,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:59,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:59,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:59,962 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:34:59,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:59 BoogieIcfgContainer [2023-11-19 07:34:59,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:59,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:34:59,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:34:59,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:34:59,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:58" (1/3) ... [2023-11-19 07:34:59,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebe697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:59, skipping insertion in model container [2023-11-19 07:34:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:59" (2/3) ... [2023-11-19 07:34:59,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cebe697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:59, skipping insertion in model container [2023-11-19 07:34:59,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:59" (3/3) ... [2023-11-19 07:34:59,977 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:35:00,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:00,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:00,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:00,074 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;@630ca95c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:00,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:35:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 07:35:00,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:00,098 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:00,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:00,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash -212398312, now seen corresponding path program 1 times [2023-11-19 07:35:00,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:00,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509817754] [2023-11-19 07:35:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:00,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:00,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:00,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509817754] [2023-11-19 07:35:00,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:35:00,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776871323] [2023-11-19 07:35:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:00,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:00,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:35:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:00,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:35:00,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-19 07:35:00,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:00,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776871323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:00,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:00,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:00,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275063847] [2023-11-19 07:35:00,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:00,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:35:00,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:00,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:00,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:00,856 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:35:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:00,886 INFO L93 Difference]: Finished difference Result 113 states and 192 transitions. [2023-11-19 07:35:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2023-11-19 07:35:00,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:00,895 INFO L225 Difference]: With dead ends: 113 [2023-11-19 07:35:00,895 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 07:35:00,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 07:35:00,902 INFO L413 NwaCegarLoop]: 83 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, 83 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 07:35:00,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:00,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 07:35:00,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 07:35:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:35:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2023-11-19 07:35:00,947 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 118 [2023-11-19 07:35:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:00,948 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2023-11-19 07:35:00,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:35:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2023-11-19 07:35:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 07:35:00,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:00,952 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:00,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:35:01,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:35:01,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:01,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1062828388, now seen corresponding path program 1 times [2023-11-19 07:35:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:01,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765665662] [2023-11-19 07:35:01,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:01,247 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:35:01,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539092316] [2023-11-19 07:35:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:01,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:01,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:35:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:35:01,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-19 07:35:01,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 07:35:01,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:01,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765665662] [2023-11-19 07:35:01,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:35:01,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539092316] [2023-11-19 07:35:01,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539092316] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:01,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:35:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:35:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520840907] [2023-11-19 07:35:01,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:01,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:01,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:35:01,877 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:35:01,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:01,984 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2023-11-19 07:35:01,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:01,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2023-11-19 07:35:01,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:01,987 INFO L225 Difference]: With dead ends: 136 [2023-11-19 07:35:01,987 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 07:35:01,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:35:01,990 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 52 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:01,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 258 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:01,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 07:35:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-19 07:35:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:35:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2023-11-19 07:35:02,009 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 118 [2023-11-19 07:35:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:02,010 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2023-11-19 07:35:02,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:35:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-19 07:35:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 07:35:02,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:02,019 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:02,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:02,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:02,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:02,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:02,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1543212841, now seen corresponding path program 1 times [2023-11-19 07:35:02,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:02,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550759045] [2023-11-19 07:35:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:02,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:35:02,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299990156] [2023-11-19 07:35:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:02,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:02,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:02,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:02,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:35:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:02,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:02,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:02,961 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:35:02,962 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:35:02,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:03,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:03,175 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:35:03,179 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:03,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:03 BoogieIcfgContainer [2023-11-19 07:35:03,333 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:03,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:03,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:03,336 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:03,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:59" (3/4) ... [2023-11-19 07:35:03,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:35:03,340 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:03,348 INFO L158 Benchmark]: Toolchain (without parser) took 4583.21ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 127.1MB in the end (delta: 11.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-19 07:35:03,350 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 82.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:03,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.04ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 124.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:03,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.33ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 120.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:03,352 INFO L158 Benchmark]: Boogie Preprocessor took 59.42ms. Allocated memory is still 184.5MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:03,353 INFO L158 Benchmark]: RCFGBuilder took 714.32ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 98.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:35:03,353 INFO L158 Benchmark]: TraceAbstraction took 3363.67ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 127.1MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:03,354 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 184.5MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:03,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 82.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.04ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 124.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.33ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 120.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.42ms. Allocated memory is still 184.5MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.32ms. Allocated memory is still 184.5MB. Free memory was 118.6MB in the beginning and 98.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3363.67ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 127.1MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 184.5MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_4 = -64; [L24] signed char var_1_9 = 10; [L25] unsigned char var_1_10 = 0; [L26] signed char var_1_11 = -1; [L27] unsigned short int var_1_12 = 10000; [L28] float var_1_13 = 5.4; [L29] float var_1_14 = 1.4; [L30] unsigned short int var_1_18 = 32; [L31] double var_1_20 = 1.5; [L32] double var_1_21 = 2.75; [L33] unsigned char var_1_22 = 5; [L34] unsigned short int var_1_23 = 55712; [L35] unsigned char var_1_24 = 5; [L36] signed short int var_1_25 = 10; [L37] float var_1_26 = 64.2; [L38] unsigned long int last_1_var_1_1 = 16; [L39] signed char last_1_var_1_9 = 10; [L40] unsigned short int last_1_var_1_12 = 10000; [L41] double last_1_var_1_20 = 1.5; [L42] unsigned char last_1_var_1_22 = 5; [L43] signed short int last_1_var_1_25 = 10; VAL [isInitial=0, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=-64, var_1_9=10] [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_20 = var_1_20 [L129] last_1_var_1_22 = var_1_22 [L130] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=-64, var_1_9=10] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L101] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L102] var_1_11 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L103] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L104] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L105] var_1_13 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L109] var_1_18 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L111] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L114] var_1_23 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L115] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L116] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L116] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L117] var_1_24 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L118] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L119] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L119] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L120] var_1_26 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L121] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L122] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L122] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=10] [L141] RET updateVariables() [L142] CALL step() [L47] COND FALSE !(! var_1_10) [L54] var_1_9 = var_1_11 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L56] unsigned char stepLocal_2 = var_1_10; [L57] signed long int stepLocal_1 = last_1_var_1_22; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L58] COND TRUE ((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || stepLocal_2 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, var_1_10=1, var_1_11=5, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L59] COND FALSE !(stepLocal_1 >= last_1_var_1_12) [L62] var_1_12 = last_1_var_1_22 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L65] unsigned long int stepLocal_5 = last_1_var_1_1; [L66] signed long int stepLocal_4 = var_1_4 + last_1_var_1_9; [L67] unsigned short int stepLocal_3 = var_1_18; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L68] COND FALSE !(stepLocal_5 > last_1_var_1_12) [L79] var_1_22 = var_1_24 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L81] COND TRUE var_1_11 > (var_1_22 * (var_1_12 + var_1_22)) [L82] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=3, var_1_9=5] [L84] COND TRUE (var_1_20 / var_1_26) > var_1_13 [L85] var_1_25 = ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] [L89] signed long int stepLocal_0 = (var_1_25 + var_1_9) / var_1_4; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_0=2, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] [L90] COND TRUE stepLocal_0 == var_1_25 [L91] var_1_1 = (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_0=2, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=13, stepLocal_5=16, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((var_1_25 + var_1_9) / var_1_4) == var_1_25) ? (var_1_1 == ((unsigned long int) (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22))) : 1) && ((! var_1_10) ? ((((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || var_1_10) ? ((last_1_var_1_22 >= last_1_var_1_12) ? (var_1_12 == ((unsigned short int) (((((last_1_var_1_22) < (last_1_var_1_22)) ? (last_1_var_1_22) : (last_1_var_1_22))) + 32))) : (var_1_12 == ((unsigned short int) last_1_var_1_22))) : 1)) && ((var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((last_1_var_1_1 > last_1_var_1_12) ? ((last_1_var_1_1 >= (var_1_4 + last_1_var_1_9)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_20 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=5, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=3, var_1_9=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 175 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 689 SizeOfPredicates, 3 NumberOfNonLiveVariables, 622 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1797/1836 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 07:35:03,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:06,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:06,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:35:06,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:06,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:06,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:06,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:06,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:06,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:06,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:06,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:06,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:06,333 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:06,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:06,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:06,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:06,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:06,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:06,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:06,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:06,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:06,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:35:06,339 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:35:06,339 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:35:06,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:06,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:06,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:06,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:06,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:06,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:06,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:06,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:06,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:06,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:06,344 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:35:06,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:35:06,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:06,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:06,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:06,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:06,346 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:35:06,347 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:06,347 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 [2023-11-19 07:35:06,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:06,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:06,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:06,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:06,806 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:06,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:35:09,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:10,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:10,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:35:10,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/2a6f1fdb0/e4e17c4ebf554a4d83110eab15060e2a/FLAG826c196b5 [2023-11-19 07:35:10,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/data/2a6f1fdb0/e4e17c4ebf554a4d83110eab15060e2a [2023-11-19 07:35:10,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:10,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:10,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:10,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:10,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:10,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544051d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10, skipping insertion in model container [2023-11-19 07:35:10,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:10,616 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2023-11-19 07:35:10,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:10,738 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:10,757 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_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2023-11-19 07:35:10,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:10,817 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:10,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10 WrapperNode [2023-11-19 07:35:10,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:10,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:10,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:10,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:10,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,907 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-19 07:35:10,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:10,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:10,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:10,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:10,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:10,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:10,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:10,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:10,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (1/1) ... [2023-11-19 07:35:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:11,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:11,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:11,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:35:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:35:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:35:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:11,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:11,187 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:11,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:18,636 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:18,652 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:18,654 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:18,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:18 BoogieIcfgContainer [2023-11-19 07:35:18,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:18,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:18,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:18,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:18,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:10" (1/3) ... [2023-11-19 07:35:18,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894841e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:18, skipping insertion in model container [2023-11-19 07:35:18,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:10" (2/3) ... [2023-11-19 07:35:18,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4894841e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:18, skipping insertion in model container [2023-11-19 07:35:18,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:18" (3/3) ... [2023-11-19 07:35:18,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-26.i [2023-11-19 07:35:18,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:18,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:18,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:18,769 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;@51f35dec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:18,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:35:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 07:35:18,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:18,797 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:18,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:18,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash -212398312, now seen corresponding path program 1 times [2023-11-19 07:35:18,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:18,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089804415] [2023-11-19 07:35:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:18,825 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 07:35:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:18,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:18,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:20,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:35:20,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-19 07:35:20,351 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:20,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:20,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089804415] [2023-11-19 07:35:20,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089804415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:20,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:20,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:20,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630000704] [2023-11-19 07:35:20,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:20,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:35:20,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:20,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:20,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:20,395 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:35:20,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:20,427 INFO L93 Difference]: Finished difference Result 113 states and 192 transitions. [2023-11-19 07:35:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:20,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2023-11-19 07:35:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:20,441 INFO L225 Difference]: With dead ends: 113 [2023-11-19 07:35:20,442 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 07:35:20,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 07:35:20,450 INFO L413 NwaCegarLoop]: 83 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, 83 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 07:35:20,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 07:35:20,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 07:35:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:35:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2023-11-19 07:35:20,497 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 118 [2023-11-19 07:35:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:20,497 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2023-11-19 07:35:20,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 07:35:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2023-11-19 07:35:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 07:35:20,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:20,502 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:20,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:20,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:20,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:20,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:20,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1062828388, now seen corresponding path program 1 times [2023-11-19 07:35:20,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:20,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970116923] [2023-11-19 07:35:20,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:20,718 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 07:35:20,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:20,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:20,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:35:21,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-19 07:35:23,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 07:35:24,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:24,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970116923] [2023-11-19 07:35:24,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970116923] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:24,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:35:24,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-19 07:35:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625435437] [2023-11-19 07:35:24,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:24,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:24,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:24,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:24,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:35:24,251 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:35:27,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:29,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:31,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:33,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:35:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:33,856 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2023-11-19 07:35:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:33,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2023-11-19 07:35:33,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:33,861 INFO L225 Difference]: With dead ends: 136 [2023-11-19 07:35:33,861 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 07:35:33,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:35:33,864 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 52 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:33,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 9.5s Time] [2023-11-19 07:35:33,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 07:35:33,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-19 07:35:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:35:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2023-11-19 07:35:33,888 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 118 [2023-11-19 07:35:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:33,889 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2023-11-19 07:35:33,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-19 07:35:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-19 07:35:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 07:35:33,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:33,892 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:33,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:34,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:34,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:34,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1543212841, now seen corresponding path program 1 times [2023-11-19 07:35:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:34,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130192419] [2023-11-19 07:35:34,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:34,111 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 07:35:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:34,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/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 07:35:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33902ec7-c6a2-48ce-8fe2-ff1409a9fdd8/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:35:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:35:35,210 INFO L285 TraceCheckSpWp]: Computing forward predicates...