./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:39,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:39,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:58:39,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:39,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:39,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:39,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:39,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:39,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:39,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:39,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:39,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:39,963 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:39,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:39,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:39,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:39,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:39,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:39,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:39,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:39,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:39,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:39,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:39,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:39,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:39,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:39,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:39,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:39,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:39,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:39,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:39,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:39,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:39,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:39,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:39,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:39,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:39,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:39,977 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:39,978 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2023-11-19 07:58:40,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:40,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:40,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:40,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:40,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:40,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:58:43,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:43,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:43,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:58:43,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/f36ee25fc/e036f12b9fe941debd12f4576650b368/FLAG352d2ccbd [2023-11-19 07:58:43,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/f36ee25fc/e036f12b9fe941debd12f4576650b368 [2023-11-19 07:58:43,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:43,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:43,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:43,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:43,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:43,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:43" (1/1) ... [2023-11-19 07:58:43,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4564753c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:43, skipping insertion in model container [2023-11-19 07:58:43,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:43" (1/1) ... [2023-11-19 07:58:43,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:44,042 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-11-19 07:58:44,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:44,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:44,125 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-11-19 07:58:44,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:44,177 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:44,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44 WrapperNode [2023-11-19 07:58:44,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:44,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:44,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:44,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:44,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,228 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-19 07:58:44,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:44,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:44,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:44,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:44,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:44,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:44,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:44,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:44,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (1/1) ... [2023-11-19 07:58:44,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:44,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:58:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:58:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:58:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:58:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:44,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:44,514 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:44,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:44,950 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:44,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:44,960 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:58:44,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:44 BoogieIcfgContainer [2023-11-19 07:58:44,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:44,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:58:44,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:58:44,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:58:44,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:58:43" (1/3) ... [2023-11-19 07:58:44,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec55b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:44, skipping insertion in model container [2023-11-19 07:58:44,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:44" (2/3) ... [2023-11-19 07:58:44,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec55b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:44, skipping insertion in model container [2023-11-19 07:58:44,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:44" (3/3) ... [2023-11-19 07:58:44,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:58:45,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:58:45,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:58:45,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:58:45,070 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;@3b6118a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:58:45,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:58:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:58:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:58:45,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:45,094 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:45,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:45,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:45,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2115570454, now seen corresponding path program 1 times [2023-11-19 07:58:45,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:45,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929800486] [2023-11-19 07:58:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:45,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:45,422 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:58:45,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625053280] [2023-11-19 07:58:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:45,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:45,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:45,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:45,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:58:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:45,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:58:45,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:58:51,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:51,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:51,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929800486] [2023-11-19 07:58:51,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:58:51,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625053280] [2023-11-19 07:58:51,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625053280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:51,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:51,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:51,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663060308] [2023-11-19 07:58:51,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:51,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:51,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:51,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:51,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:51,802 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:52,054 INFO L93 Difference]: Finished difference Result 185 states and 312 transitions. [2023-11-19 07:58:52,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2023-11-19 07:58:52,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:52,073 INFO L225 Difference]: With dead ends: 185 [2023-11-19 07:58:52,073 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:58:52,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:58:52,083 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 61 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:52,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 339 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:58:52,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 76. [2023-11-19 07:58:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:58:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 115 transitions. [2023-11-19 07:58:52,161 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 115 transitions. Word has length 153 [2023-11-19 07:58:52,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:52,166 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 115 transitions. [2023-11-19 07:58:52,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:52,167 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2023-11-19 07:58:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:58:52,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:52,177 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:52,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:58:52,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:58:52,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:52,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1786369832, now seen corresponding path program 1 times [2023-11-19 07:58:52,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:52,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962782895] [2023-11-19 07:58:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:52,488 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:58:52,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980870772] [2023-11-19 07:58:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:52,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:52,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:52,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:52,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:58:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:52,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:58:52,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:58:56,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:56,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962782895] [2023-11-19 07:58:56,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:58:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980870772] [2023-11-19 07:58:56,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980870772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:56,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:56,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:56,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958508276] [2023-11-19 07:58:56,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:56,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:56,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:56,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:56,109 INFO L87 Difference]: Start difference. First operand 76 states and 115 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:56,252 INFO L93 Difference]: Finished difference Result 184 states and 273 transitions. [2023-11-19 07:58:56,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:56,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2023-11-19 07:58:56,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:56,256 INFO L225 Difference]: With dead ends: 184 [2023-11-19 07:58:56,256 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:58:56,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:58:56,259 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 52 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:56,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 472 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:58:56,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 76. [2023-11-19 07:58:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:58:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 115 transitions. [2023-11-19 07:58:56,272 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 115 transitions. Word has length 153 [2023-11-19 07:58:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:56,274 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 115 transitions. [2023-11-19 07:58:56,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2023-11-19 07:58:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:58:56,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:56,277 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:56,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:56,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:56,499 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:56,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:56,500 INFO L85 PathProgramCache]: Analyzing trace with hash -883420182, now seen corresponding path program 1 times [2023-11-19 07:58:56,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:56,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273373789] [2023-11-19 07:58:56,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:56,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:56,570 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:58:56,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708394908] [2023-11-19 07:58:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:56,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:56,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:56,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:58:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:56,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:58:56,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:58:58,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:58,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273373789] [2023-11-19 07:58:58,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:58:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708394908] [2023-11-19 07:58:58,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708394908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:58,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:58,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:58,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083955638] [2023-11-19 07:58:58,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:58,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:58,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:58,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:58,231 INFO L87 Difference]: Start difference. First operand 76 states and 115 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:58,402 INFO L93 Difference]: Finished difference Result 184 states and 273 transitions. [2023-11-19 07:58:58,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:58,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2023-11-19 07:58:58,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:58,406 INFO L225 Difference]: With dead ends: 184 [2023-11-19 07:58:58,406 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:58:58,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:58:58,409 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 49 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:58,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 418 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:58,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:58:58,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 76. [2023-11-19 07:58:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:58:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 115 transitions. [2023-11-19 07:58:58,421 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 115 transitions. Word has length 153 [2023-11-19 07:58:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:58,422 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 115 transitions. [2023-11-19 07:58:58,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2023-11-19 07:58:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 07:58:58,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:58,425 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:58,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:58,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:58,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:58,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1276447192, now seen corresponding path program 1 times [2023-11-19 07:58:58,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:58,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456886136] [2023-11-19 07:58:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:58,687 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:58:58,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120873213] [2023-11-19 07:58:58,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:58,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:58,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:58,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:58:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:58,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:58:58,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:58:59,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:59,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456886136] [2023-11-19 07:58:59,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:58:59,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120873213] [2023-11-19 07:58:59,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120873213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:59,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:59,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:59,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604637604] [2023-11-19 07:58:59,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:59,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:58:59,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:59,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:59,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:59,441 INFO L87 Difference]: Start difference. First operand 76 states and 115 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:59,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:59,563 INFO L93 Difference]: Finished difference Result 184 states and 272 transitions. [2023-11-19 07:58:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:59,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2023-11-19 07:58:59,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:58:59,566 INFO L225 Difference]: With dead ends: 184 [2023-11-19 07:58:59,566 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:58:59,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:58:59,568 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 48 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:58:59,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 396 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:58:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:58:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 73. [2023-11-19 07:58:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:58:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2023-11-19 07:58:59,579 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 153 [2023-11-19 07:58:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:58:59,580 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2023-11-19 07:58:59,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:58:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2023-11-19 07:58:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 07:58:59,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:58:59,583 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:59,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:59,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:59,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:58:59,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:59,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1510269499, now seen corresponding path program 1 times [2023-11-19 07:58:59,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:59,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805747695] [2023-11-19 07:58:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:59,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:59,882 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:58:59,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136116016] [2023-11-19 07:58:59,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:59,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:59,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:59,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:59,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:59:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:59:00,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:00,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:00,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805747695] [2023-11-19 07:59:00,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:00,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136116016] [2023-11-19 07:59:00,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136116016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:00,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:00,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:59:00,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760481388] [2023-11-19 07:59:00,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:00,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:59:00,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:00,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:59:00,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:59:00,118 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:00,339 INFO L93 Difference]: Finished difference Result 190 states and 288 transitions. [2023-11-19 07:59:00,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:59:00,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-19 07:59:00,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:00,349 INFO L225 Difference]: With dead ends: 190 [2023-11-19 07:59:00,349 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:59:00,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:59:00,350 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 134 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:00,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 517 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:59:00,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-19 07:59:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 80 states have (on average 1.3625) internal successors, (109), 81 states have internal predecessors, (109), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 177 transitions. [2023-11-19 07:59:00,371 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 177 transitions. Word has length 155 [2023-11-19 07:59:00,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:00,372 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 177 transitions. [2023-11-19 07:59:00,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2023-11-19 07:59:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 07:59:00,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:00,376 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:00,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-19 07:59:00,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:00,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:00,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:00,597 INFO L85 PathProgramCache]: Analyzing trace with hash 790553091, now seen corresponding path program 1 times [2023-11-19 07:59:00,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:00,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919100229] [2023-11-19 07:59:00,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:00,631 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:00,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309097817] [2023-11-19 07:59:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:00,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:00,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:00,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:59:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:00,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:59:00,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 07:59:00,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:00,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:00,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919100229] [2023-11-19 07:59:00,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309097817] [2023-11-19 07:59:00,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309097817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:00,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:00,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:00,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044277197] [2023-11-19 07:59:00,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:00,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:00,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:00,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:00,829 INFO L87 Difference]: Start difference. First operand 117 states and 177 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:00,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:00,878 INFO L93 Difference]: Finished difference Result 309 states and 464 transitions. [2023-11-19 07:59:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:00,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-19 07:59:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:00,884 INFO L225 Difference]: With dead ends: 309 [2023-11-19 07:59:00,885 INFO L226 Difference]: Without dead ends: 195 [2023-11-19 07:59:00,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:00,890 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 61 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:00,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 241 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:00,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-19 07:59:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 133. [2023-11-19 07:59:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 97 states have internal predecessors, (134), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 202 transitions. [2023-11-19 07:59:00,915 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 202 transitions. Word has length 155 [2023-11-19 07:59:00,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:00,916 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 202 transitions. [2023-11-19 07:59:00,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 202 transitions. [2023-11-19 07:59:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 07:59:00,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:00,920 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:00,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:01,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 07:59:01,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:01,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash -18793535, now seen corresponding path program 1 times [2023-11-19 07:59:01,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:01,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777998213] [2023-11-19 07:59:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:01,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:01,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842825144] [2023-11-19 07:59:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:01,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:01,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:01,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:01,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:59:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:01,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:59:01,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-19 07:59:01,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:01,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:01,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777998213] [2023-11-19 07:59:01,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:01,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842825144] [2023-11-19 07:59:01,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842825144] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:01,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:01,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:59:01,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414177519] [2023-11-19 07:59:01,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:01,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:59:01,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:01,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:59:01,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:59:01,618 INFO L87 Difference]: Start difference. First operand 133 states and 202 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-19 07:59:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:01,828 INFO L93 Difference]: Finished difference Result 273 states and 409 transitions. [2023-11-19 07:59:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:59:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 155 [2023-11-19 07:59:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:01,839 INFO L225 Difference]: With dead ends: 273 [2023-11-19 07:59:01,839 INFO L226 Difference]: Without dead ends: 143 [2023-11-19 07:59:01,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:59:01,846 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 105 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:01,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 169 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-19 07:59:01,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2023-11-19 07:59:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.3235294117647058) internal successors, (135), 103 states have internal predecessors, (135), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 203 transitions. [2023-11-19 07:59:01,875 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 203 transitions. Word has length 155 [2023-11-19 07:59:01,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:01,876 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 203 transitions. [2023-11-19 07:59:01,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-19 07:59:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 203 transitions. [2023-11-19 07:59:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:59:01,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:01,882 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:01,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:02,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:02,103 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:02,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1524134947, now seen corresponding path program 1 times [2023-11-19 07:59:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7390581] [2023-11-19 07:59:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:02,137 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:02,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205684338] [2023-11-19 07:59:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:02,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:02,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:02,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:02,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:59:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:02,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:59:02,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2023-11-19 07:59:02,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:02,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:02,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7390581] [2023-11-19 07:59:02,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:02,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205684338] [2023-11-19 07:59:02,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205684338] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:02,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:02,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-19 07:59:02,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324703618] [2023-11-19 07:59:02,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:02,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:59:02,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:02,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:59:02,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:59:02,639 INFO L87 Difference]: Start difference. First operand 141 states and 203 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-19 07:59:02,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:02,951 INFO L93 Difference]: Finished difference Result 302 states and 438 transitions. [2023-11-19 07:59:02,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:59:02,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 156 [2023-11-19 07:59:02,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:02,954 INFO L225 Difference]: With dead ends: 302 [2023-11-19 07:59:02,955 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 07:59:02,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:59:02,957 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 76 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:02,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 372 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 07:59:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2023-11-19 07:59:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 109 states have internal predecessors, (141), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 209 transitions. [2023-11-19 07:59:02,975 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 209 transitions. Word has length 156 [2023-11-19 07:59:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:02,976 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 209 transitions. [2023-11-19 07:59:02,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-19 07:59:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 209 transitions. [2023-11-19 07:59:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 07:59:02,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:02,978 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:02,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:03,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:03,189 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:03,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:03,189 INFO L85 PathProgramCache]: Analyzing trace with hash 513017697, now seen corresponding path program 1 times [2023-11-19 07:59:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858650151] [2023-11-19 07:59:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:03,220 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:03,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935143223] [2023-11-19 07:59:03,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:03,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:03,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:03,222 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:03,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:59:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:03,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:59:03,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 07:59:03,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:03,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:03,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858650151] [2023-11-19 07:59:03,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:03,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935143223] [2023-11-19 07:59:03,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935143223] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:03,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:03,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-11-19 07:59:03,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104847047] [2023-11-19 07:59:03,756 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:03,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:59:03,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:03,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:59:03,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:59:03,759 INFO L87 Difference]: Start difference. First operand 147 states and 209 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 07:59:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:04,424 INFO L93 Difference]: Finished difference Result 406 states and 565 transitions. [2023-11-19 07:59:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-19 07:59:04,429 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 156 [2023-11-19 07:59:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:04,433 INFO L225 Difference]: With dead ends: 406 [2023-11-19 07:59:04,433 INFO L226 Difference]: Without dead ends: 262 [2023-11-19 07:59:04,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2023-11-19 07:59:04,437 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 234 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:04,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 522 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:59:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-19 07:59:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 156. [2023-11-19 07:59:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 116 states have (on average 1.3103448275862069) internal successors, (152), 117 states have internal predecessors, (152), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2023-11-19 07:59:04,478 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 156 [2023-11-19 07:59:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:04,478 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2023-11-19 07:59:04,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 07:59:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2023-11-19 07:59:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:59:04,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:04,481 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:04,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:04,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:04,703 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:04,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash -442393252, now seen corresponding path program 1 times [2023-11-19 07:59:04,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919716840] [2023-11-19 07:59:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:04,727 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:04,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097773067] [2023-11-19 07:59:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:04,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:04,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:04,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:04,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:59:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:04,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:59:04,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 695 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 07:59:05,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:05,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:05,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919716840] [2023-11-19 07:59:05,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:05,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097773067] [2023-11-19 07:59:05,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097773067] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:05,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:05,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-19 07:59:05,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467544828] [2023-11-19 07:59:05,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:05,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:59:05,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:05,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:59:05,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:59:05,259 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2023-11-19 07:59:05,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:05,624 INFO L93 Difference]: Finished difference Result 325 states and 450 transitions. [2023-11-19 07:59:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:59:05,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 157 [2023-11-19 07:59:05,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:05,627 INFO L225 Difference]: With dead ends: 325 [2023-11-19 07:59:05,627 INFO L226 Difference]: Without dead ends: 172 [2023-11-19 07:59:05,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:59:05,629 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 97 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:05,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 198 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:05,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-19 07:59:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2023-11-19 07:59:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 125 states have (on average 1.248) internal successors, (156), 126 states have internal predecessors, (156), 34 states have call successors, (34), 8 states have call predecessors, (34), 8 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 224 transitions. [2023-11-19 07:59:05,652 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 224 transitions. Word has length 157 [2023-11-19 07:59:05,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:05,653 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 224 transitions. [2023-11-19 07:59:05,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2023-11-19 07:59:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 224 transitions. [2023-11-19 07:59:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:59:05,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:05,656 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:05,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:05,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,872 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:05,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:05,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1463461606, now seen corresponding path program 1 times [2023-11-19 07:59:05,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:05,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479245446] [2023-11-19 07:59:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:05,902 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447912641] [2023-11-19 07:59:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:05,917 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:59:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:06,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:59:06,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:06,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:06,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479245446] [2023-11-19 07:59:06,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447912641] [2023-11-19 07:59:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447912641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:06,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:06,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:59:06,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082116863] [2023-11-19 07:59:06,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:06,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:06,104 INFO L87 Difference]: Start difference. First operand 168 states and 224 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:06,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:06,361 INFO L93 Difference]: Finished difference Result 341 states and 452 transitions. [2023-11-19 07:59:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:59:06,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2023-11-19 07:59:06,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:06,365 INFO L225 Difference]: With dead ends: 341 [2023-11-19 07:59:06,365 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 07:59:06,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:59:06,367 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 116 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:06,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 175 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:06,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 07:59:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2023-11-19 07:59:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 128 states have (on average 1.1796875) internal successors, (151), 129 states have internal predecessors, (151), 34 states have call successors, (34), 9 states have call predecessors, (34), 9 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:59:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2023-11-19 07:59:06,390 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 157 [2023-11-19 07:59:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:06,392 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2023-11-19 07:59:06,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-19 07:59:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 07:59:06,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:06,396 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:06,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:06,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:06,609 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:06,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1205296168, now seen corresponding path program 1 times [2023-11-19 07:59:06,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80367453] [2023-11-19 07:59:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:06,636 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:06,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271731777] [2023-11-19 07:59:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:06,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:06,637 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:06,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:59:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:06,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:59:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:06,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:59:06,973 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:59:06,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:59:07,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:07,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:07,206 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:59:07,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:59:07,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:59:07,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 07:59:07,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:59:07,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 07:59:07,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 07:59:07,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:59:07,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 07:59:07,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short21 could not be translated [2023-11-19 07:59:07,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:59:07,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:59:07 BoogieIcfgContainer [2023-11-19 07:59:07,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:59:07,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:07,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:07,373 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:07,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:44" (3/4) ... [2023-11-19 07:59:07,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:59:07,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:07,378 INFO L158 Benchmark]: Toolchain (without parser) took 23573.20ms. Allocated memory was 138.4MB in the beginning and 662.7MB in the end (delta: 524.3MB). Free memory was 76.9MB in the beginning and 500.8MB in the end (delta: -423.9MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,379 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:07,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.70ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 76.6MB in the beginning and 164.7MB in the end (delta: -88.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.91ms. Allocated memory is still 195.0MB. Free memory was 164.7MB in the beginning and 161.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,381 INFO L158 Benchmark]: Boogie Preprocessor took 70.41ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,382 INFO L158 Benchmark]: RCFGBuilder took 674.93ms. Allocated memory is still 195.0MB. Free memory was 159.4MB in the beginning and 139.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,382 INFO L158 Benchmark]: TraceAbstraction took 22393.76ms. Allocated memory was 195.0MB in the beginning and 662.7MB in the end (delta: 467.7MB). Free memory was 139.5MB in the beginning and 500.8MB in the end (delta: -361.3MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2023-11-19 07:59:07,383 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 662.7MB. Free memory is still 500.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:07,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.70ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 76.6MB in the beginning and 164.7MB in the end (delta: -88.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.91ms. Allocated memory is still 195.0MB. Free memory was 164.7MB in the beginning and 161.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.41ms. Allocated memory is still 195.0MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.93ms. Allocated memory is still 195.0MB. Free memory was 159.4MB in the beginning and 139.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22393.76ms. Allocated memory was 195.0MB in the beginning and 662.7MB in the end (delta: 467.7MB). Free memory was 139.5MB in the beginning and 500.8MB in the end (delta: -361.3MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 662.7MB. Free memory is still 500.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 112, overapproximation of bitwiseOr at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] signed long int var_1_2 = 4; [L24] signed long int var_1_3 = 64; [L25] signed long int var_1_4 = 64; [L26] signed long int var_1_5 = 0; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=4, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] FCALL updateLastVariables() [L120] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] var_1_3 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_4 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L81] var_1_5 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L83] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L83] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L84] var_1_7 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L85] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L86] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L86] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L87] var_1_8 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L88] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L89] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L89] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=50] [L90] var_1_9 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L93] var_1_10 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L98] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L100] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L101] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L102] var_1_19 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L104] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L105] var_1_21 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L107] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L120] RET updateVariables() [L121] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND TRUE var_1_14 >= stepLocal_2 [L56] var_1_15 = (var_1_14 + (var_1_16 - var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, stepLocal_2=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, stepLocal_2=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, stepLocal_2=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=126, stepLocal_2=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR var_1_8 << var_1_10 VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L112-L113] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=1, var_1_15=16382, var_1_16=16383, var_1_17=64, var_1_18=126, var_1_19=126, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_7=8191, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 12, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1033 mSDsluCounter, 3819 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2669 mSDsCounter, 239 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1844 IncrementalHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 239 mSolverCounterUnsat, 1150 mSDtfsCounter, 1844 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2367 GetRequests, 2253 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=11, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 341 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 1860 NumberOfCodeBlocks, 1860 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2312 ConstructedInterpolants, 0 QuantifiedInterpolants, 4158 SizeOfPredicates, 65 NumberOfNonLiveVariables, 4031 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 16212/16560 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 07:59:07,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:10,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:10,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:59:10,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:10,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:10,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:10,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:10,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:10,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:10,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:10,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:10,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:10,452 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:10,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:10,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:59:10,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:59:10,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:59:10,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:10,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:59:10,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:10,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:59:10,459 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:59:10,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:59:10,460 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:59:10,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:59:10,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:10,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:10,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:10,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:10,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:10,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:10,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:10,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:10,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:59:10,466 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:59:10,466 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:59:10,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:10,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:59:10,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:10,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:10,469 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:59:10,469 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:10,469 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2023-11-19 07:59:10,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:10,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:10,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:10,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:10,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:10,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:59:14,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:14,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:14,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:59:14,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/8eb0bdc33/49cc8cfe869d48c1be87446a69142f11/FLAG6d7578144 [2023-11-19 07:59:14,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/data/8eb0bdc33/49cc8cfe869d48c1be87446a69142f11 [2023-11-19 07:59:14,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:14,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:14,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:14,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:14,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:14,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:14" (1/1) ... [2023-11-19 07:59:14,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4319b9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:14, skipping insertion in model container [2023-11-19 07:59:14,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:14" (1/1) ... [2023-11-19 07:59:14,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:14,943 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-11-19 07:59:14,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:15,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:15,025 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_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-11-19 07:59:15,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:15,074 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:15,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15 WrapperNode [2023-11-19 07:59:15,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:15,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:15,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:15,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:15,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,129 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-19 07:59:15,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:15,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:15,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:15,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:15,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:15,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:15,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:15,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:15,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (1/1) ... [2023-11-19 07:59:15,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:15,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:15,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:15,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:59:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:59:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:59:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:15,346 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:15,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:15,760 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:15,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:15,776 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:59:15,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:15 BoogieIcfgContainer [2023-11-19 07:59:15,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:15,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:15,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:15,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:15,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:14" (1/3) ... [2023-11-19 07:59:15,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7dce35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:15, skipping insertion in model container [2023-11-19 07:59:15,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:15" (2/3) ... [2023-11-19 07:59:15,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7dce35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:15, skipping insertion in model container [2023-11-19 07:59:15,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:15" (3/3) ... [2023-11-19 07:59:15,793 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2023-11-19 07:59:15,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:15,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:59:15,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:15,888 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;@49ea64d4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:15,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:59:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:59:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 07:59:15,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:15,916 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:15,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:15,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:15,923 INFO L85 PathProgramCache]: Analyzing trace with hash -791064050, now seen corresponding path program 1 times [2023-11-19 07:59:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:59:15,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803514471] [2023-11-19 07:59:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:15,937 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 07:59:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:59:15,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:16,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:59:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 07:59:16,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:16,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:59:16,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803514471] [2023-11-19 07:59:16,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803514471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:16,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:16,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:16,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734057606] [2023-11-19 07:59:16,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:16,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:59:16,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:59:16,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:59:16,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:59:16,320 INFO L87 Difference]: Start difference. First operand has 63 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:59:16,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:16,353 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2023-11-19 07:59:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:59:16,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 147 [2023-11-19 07:59:16,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:16,364 INFO L225 Difference]: With dead ends: 119 [2023-11-19 07:59:16,365 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 07:59:16,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 07:59:16,373 INFO L413 NwaCegarLoop]: 88 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, 88 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 07:59:16,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:16,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 07:59:16,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 07:59:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:59:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2023-11-19 07:59:16,428 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 147 [2023-11-19 07:59:16,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:16,429 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2023-11-19 07:59:16,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 07:59:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-19 07:59:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 07:59:16,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:16,437 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:16,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,643 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:16,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1986199026, now seen corresponding path program 1 times [2023-11-19 07:59:16,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:59:16,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235944364] [2023-11-19 07:59:16,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:16,646 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 07:59:16,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:59:16,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:16,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:59:16,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 07:59:17,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:17,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:59:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235944364] [2023-11-19 07:59:17,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235944364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:17,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:17,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:59:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984888727] [2023-11-19 07:59:17,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:17,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:17,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:59:17,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:17,065 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:17,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:17,588 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2023-11-19 07:59:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 07:59:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147 [2023-11-19 07:59:17,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:17,595 INFO L225 Difference]: With dead ends: 123 [2023-11-19 07:59:17,595 INFO L226 Difference]: Without dead ends: 67 [2023-11-19 07:59:17,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:59:17,598 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 87 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:17,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 119 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:59:17,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-19 07:59:17,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2023-11-19 07:59:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:59:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2023-11-19 07:59:17,639 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 147 [2023-11-19 07:59:17,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:17,641 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2023-11-19 07:59:17,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 07:59:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2023-11-19 07:59:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 07:59:17,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:17,653 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:17,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:17,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:17,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:59:17,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1928940724, now seen corresponding path program 1 times [2023-11-19 07:59:17,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:59:17,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113101632] [2023-11-19 07:59:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:17,861 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 07:59:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:59:17,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:17,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ea120b-e9a6-41ce-9ca2-6716ae9923d7/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 07:59:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:18,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 07:59:18,112 INFO L285 TraceCheckSpWp]: Computing forward predicates...