./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:36,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:36,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:36,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:36,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:36,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:36,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:36,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:36,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:36,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:36,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:36,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:36,967 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:36,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:36,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:36,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:36,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:36,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:36,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:36,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:36,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:36,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:36,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:36,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:36,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:36,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:36,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:36,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:36,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:36,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:36,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:36,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:36,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:36,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:36,977 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:36,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:36,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:36,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:36,978 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:36,979 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 [2023-11-19 08:04:37,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:37,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:37,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:37,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:37,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:37,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:04:40,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:40,878 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:40,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:04:40,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/4199b323e/ca3092250a6f45d0b1f3cbff0c864ec4/FLAG6e80d4e8e [2023-11-19 08:04:40,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/4199b323e/ca3092250a6f45d0b1f3cbff0c864ec4 [2023-11-19 08:04:40,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:40,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:40,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:40,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:40,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:40,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:40" (1/1) ... [2023-11-19 08:04:40,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c514c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:40, skipping insertion in model container [2023-11-19 08:04:40,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:40" (1/1) ... [2023-11-19 08:04:40,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:41,149 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2023-11-19 08:04:41,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:41,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:41,260 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2023-11-19 08:04:41,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:41,323 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:41,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41 WrapperNode [2023-11-19 08:04:41,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:41,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:41,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:41,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:41,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,405 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-11-19 08:04:41,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:41,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:41,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:41,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:41,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:41,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:41,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:41,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:41,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (1/1) ... [2023-11-19 08:04:41,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:41,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:41,687 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:41,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:42,289 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:42,300 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:42,301 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:42,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:42 BoogieIcfgContainer [2023-11-19 08:04:42,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:42,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:42,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:42,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:40" (1/3) ... [2023-11-19 08:04:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43629ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:42, skipping insertion in model container [2023-11-19 08:04:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:41" (2/3) ... [2023-11-19 08:04:42,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43629ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:42, skipping insertion in model container [2023-11-19 08:04:42,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:42" (3/3) ... [2023-11-19 08:04:42,320 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:04:42,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:42,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:42,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:42,395 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;@6541fc17, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:42,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:04:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:04:42,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:42,420 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:42,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:42,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:42,427 INFO L85 PathProgramCache]: Analyzing trace with hash -244266618, now seen corresponding path program 1 times [2023-11-19 08:04:42,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20142022] [2023-11-19 08:04:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:42,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:42,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20142022] [2023-11-19 08:04:42,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:04:42,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165481988] [2023-11-19 08:04:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:42,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:42,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:42,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:04:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:43,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:04:43,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-11-19 08:04:43,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:43,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165481988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:43,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:43,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:43,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50704052] [2023-11-19 08:04:43,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:43,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:43,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:43,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:43,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:43,204 INFO L87 Difference]: Start difference. First operand has 95 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:04:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:43,245 INFO L93 Difference]: Finished difference Result 183 states and 329 transitions. [2023-11-19 08:04:43,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:43,248 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2023-11-19 08:04:43,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:43,257 INFO L225 Difference]: With dead ends: 183 [2023-11-19 08:04:43,257 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 08:04:43,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 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 08:04:43,266 INFO L413 NwaCegarLoop]: 144 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, 144 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 08:04:43,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:43,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 08:04:43,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 08:04:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 58 states have internal predecessors, (82), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:04:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 144 transitions. [2023-11-19 08:04:43,324 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 144 transitions. Word has length 200 [2023-11-19 08:04:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:43,325 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 144 transitions. [2023-11-19 08:04:43,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:04:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-19 08:04:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:04:43,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:43,332 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:43,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:43,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:04:43,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:43,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:43,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2137020806, now seen corresponding path program 1 times [2023-11-19 08:04:43,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:43,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771963405] [2023-11-19 08:04:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:43,617 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:43,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023652321] [2023-11-19 08:04:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:43,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:43,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:04:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:43,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:04:43,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:43,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:43,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:43,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771963405] [2023-11-19 08:04:43,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:43,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023652321] [2023-11-19 08:04:43,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023652321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:43,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:43,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:04:43,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197466767] [2023-11-19 08:04:43,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:43,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:43,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:43,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:43,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:43,976 INFO L87 Difference]: Start difference. First operand 91 states and 144 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:44,148 INFO L93 Difference]: Finished difference Result 259 states and 411 transitions. [2023-11-19 08:04:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:44,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:04:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:44,156 INFO L225 Difference]: With dead ends: 259 [2023-11-19 08:04:44,156 INFO L226 Difference]: Without dead ends: 171 [2023-11-19 08:04:44,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 08:04:44,158 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 119 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:44,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 334 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-19 08:04:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2023-11-19 08:04:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:04:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 265 transitions. [2023-11-19 08:04:44,220 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 265 transitions. Word has length 200 [2023-11-19 08:04:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:44,223 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 265 transitions. [2023-11-19 08:04:44,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 265 transitions. [2023-11-19 08:04:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:04:44,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:44,235 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:44,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:44,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 08:04:44,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:44,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:44,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1550214792, now seen corresponding path program 1 times [2023-11-19 08:04:44,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:44,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407729828] [2023-11-19 08:04:44,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:44,533 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:44,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538488757] [2023-11-19 08:04:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:44,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:44,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:44,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:44,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:04:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:44,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:04:44,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:44,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:44,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:44,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407729828] [2023-11-19 08:04:44,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:44,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538488757] [2023-11-19 08:04:44,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538488757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:44,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:44,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:04:44,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554227165] [2023-11-19 08:04:44,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:44,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:44,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:44,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:44,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:44,771 INFO L87 Difference]: Start difference. First operand 168 states and 265 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:44,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:44,818 INFO L93 Difference]: Finished difference Result 335 states and 531 transitions. [2023-11-19 08:04:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:44,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:04:44,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:44,827 INFO L225 Difference]: With dead ends: 335 [2023-11-19 08:04:44,827 INFO L226 Difference]: Without dead ends: 170 [2023-11-19 08:04:44,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 08:04:44,831 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:44,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:44,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-19 08:04:44,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-11-19 08:04:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:04:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 267 transitions. [2023-11-19 08:04:44,880 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 267 transitions. Word has length 200 [2023-11-19 08:04:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:44,883 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 267 transitions. [2023-11-19 08:04:44,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 267 transitions. [2023-11-19 08:04:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:04:44,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:44,887 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:44,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:45,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:45,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:45,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1607473094, now seen corresponding path program 1 times [2023-11-19 08:04:45,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:45,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703690538] [2023-11-19 08:04:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:45,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:45,137 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:45,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735162248] [2023-11-19 08:04:45,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:45,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:45,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:45,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:45,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:04:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:45,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:45,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-19 08:04:45,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:04:45,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703690538] [2023-11-19 08:04:45,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735162248] [2023-11-19 08:04:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735162248] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:45,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:45,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-19 08:04:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003079745] [2023-11-19 08:04:45,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:45,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:04:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:45,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:04:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:04:45,901 INFO L87 Difference]: Start difference. First operand 170 states and 267 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-19 08:04:46,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:46,207 INFO L93 Difference]: Finished difference Result 349 states and 541 transitions. [2023-11-19 08:04:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 08:04:46,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 200 [2023-11-19 08:04:46,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:46,211 INFO L225 Difference]: With dead ends: 349 [2023-11-19 08:04:46,211 INFO L226 Difference]: Without dead ends: 182 [2023-11-19 08:04:46,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:04:46,214 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 71 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:46,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 324 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:46,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-19 08:04:46,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2023-11-19 08:04:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 111 states have internal predecessors, (148), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:04:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 272 transitions. [2023-11-19 08:04:46,243 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 272 transitions. Word has length 200 [2023-11-19 08:04:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:46,244 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 272 transitions. [2023-11-19 08:04:46,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-19 08:04:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2023-11-19 08:04:46,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:04:46,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:46,248 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:46,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:46,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:46,470 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:46,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:46,470 INFO L85 PathProgramCache]: Analyzing trace with hash 605931206, now seen corresponding path program 1 times [2023-11-19 08:04:46,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:46,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102322473] [2023-11-19 08:04:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:46,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:46,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:46,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338172250] [2023-11-19 08:04:46,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:46,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:46,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:04:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:46,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:46,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:46,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:46,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:46,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102322473] [2023-11-19 08:04:46,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:46,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338172250] [2023-11-19 08:04:46,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338172250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:46,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:46,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613428666] [2023-11-19 08:04:46,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:46,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:46,802 INFO L87 Difference]: Start difference. First operand 178 states and 272 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:47,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:47,000 INFO L93 Difference]: Finished difference Result 400 states and 603 transitions. [2023-11-19 08:04:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:47,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:04:47,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:47,004 INFO L225 Difference]: With dead ends: 400 [2023-11-19 08:04:47,004 INFO L226 Difference]: Without dead ends: 225 [2023-11-19 08:04:47,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:47,006 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 154 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:47,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 363 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:47,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-19 08:04:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2023-11-19 08:04:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 140 states have internal predecessors, (180), 75 states have call successors, (75), 7 states have call predecessors, (75), 7 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-19 08:04:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2023-11-19 08:04:47,036 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 330 transitions. Word has length 200 [2023-11-19 08:04:47,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:47,037 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 330 transitions. [2023-11-19 08:04:47,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 330 transitions. [2023-11-19 08:04:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 08:04:47,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:47,041 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:47,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:47,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:47,254 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:47,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1545067618, now seen corresponding path program 1 times [2023-11-19 08:04:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986842521] [2023-11-19 08:04:47,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:47,319 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:47,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792450424] [2023-11-19 08:04:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:47,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:47,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:47,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:04:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:47,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:04:47,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:47,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:47,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:47,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986842521] [2023-11-19 08:04:47,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:47,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792450424] [2023-11-19 08:04:47,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792450424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:47,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:47,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:47,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791779366] [2023-11-19 08:04:47,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:47,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:47,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:47,804 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:47,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:47,858 INFO L93 Difference]: Finished difference Result 660 states and 984 transitions. [2023-11-19 08:04:47,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:47,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 08:04:47,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:47,868 INFO L225 Difference]: With dead ends: 660 [2023-11-19 08:04:47,868 INFO L226 Difference]: Without dead ends: 441 [2023-11-19 08:04:47,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 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 08:04:47,872 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 38 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:47,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 276 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-11-19 08:04:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 439. [2023-11-19 08:04:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 274 states have (on average 1.2919708029197081) internal successors, (354), 276 states have internal predecessors, (354), 150 states have call successors, (150), 14 states have call predecessors, (150), 14 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2023-11-19 08:04:47,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 654 transitions. [2023-11-19 08:04:47,953 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 654 transitions. Word has length 201 [2023-11-19 08:04:47,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:47,954 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 654 transitions. [2023-11-19 08:04:47,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 654 transitions. [2023-11-19 08:04:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 08:04:47,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:47,959 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:47,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:48,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:48,182 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:48,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:48,182 INFO L85 PathProgramCache]: Analyzing trace with hash 694667890, now seen corresponding path program 1 times [2023-11-19 08:04:48,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:48,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468540253] [2023-11-19 08:04:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:48,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:48,216 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:48,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879694435] [2023-11-19 08:04:48,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:48,218 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:48,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:04:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:48,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:48,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-19 08:04:48,491 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:48,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:48,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468540253] [2023-11-19 08:04:48,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:48,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879694435] [2023-11-19 08:04:48,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879694435] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:48,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:04:48,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-19 08:04:48,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100406580] [2023-11-19 08:04:48,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:48,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:48,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:48,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:48,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:04:48,731 INFO L87 Difference]: Start difference. First operand 439 states and 654 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:48,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:48,879 INFO L93 Difference]: Finished difference Result 981 states and 1447 transitions. [2023-11-19 08:04:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:48,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-19 08:04:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:48,887 INFO L225 Difference]: With dead ends: 981 [2023-11-19 08:04:48,887 INFO L226 Difference]: Without dead ends: 545 [2023-11-19 08:04:48,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:04:48,891 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 47 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:48,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 262 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:48,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-11-19 08:04:48,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 441. [2023-11-19 08:04:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 276 states have (on average 1.2826086956521738) internal successors, (354), 278 states have internal predecessors, (354), 150 states have call successors, (150), 14 states have call predecessors, (150), 14 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2023-11-19 08:04:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 654 transitions. [2023-11-19 08:04:48,981 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 654 transitions. Word has length 202 [2023-11-19 08:04:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:48,981 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 654 transitions. [2023-11-19 08:04:48,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 654 transitions. [2023-11-19 08:04:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 08:04:48,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:48,985 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:49,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:49,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 08:04:49,208 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:49,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 696514932, now seen corresponding path program 1 times [2023-11-19 08:04:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:49,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045368960] [2023-11-19 08:04:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:49,242 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:49,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55129832] [2023-11-19 08:04:49,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:49,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:49,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:49,245 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:49,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:04:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:49,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:04:49,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:04:49,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:49,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:49,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045368960] [2023-11-19 08:04:49,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:49,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55129832] [2023-11-19 08:04:49,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55129832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:49,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:49,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:04:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210558929] [2023-11-19 08:04:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:49,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:04:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:49,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:04:49,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:04:49,865 INFO L87 Difference]: Start difference. First operand 441 states and 654 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:50,163 INFO L93 Difference]: Finished difference Result 1121 states and 1662 transitions. [2023-11-19 08:04:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:04:50,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-19 08:04:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:50,169 INFO L225 Difference]: With dead ends: 1121 [2023-11-19 08:04:50,170 INFO L226 Difference]: Without dead ends: 683 [2023-11-19 08:04:50,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 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 08:04:50,172 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 74 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:50,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 309 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 13 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-19 08:04:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 537. [2023-11-19 08:04:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 372 states have (on average 1.3602150537634408) internal successors, (506), 374 states have internal predecessors, (506), 150 states have call successors, (150), 14 states have call predecessors, (150), 14 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2023-11-19 08:04:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 806 transitions. [2023-11-19 08:04:50,269 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 806 transitions. Word has length 202 [2023-11-19 08:04:50,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:50,269 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 806 transitions. [2023-11-19 08:04:50,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:04:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 806 transitions. [2023-11-19 08:04:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 08:04:50,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:50,273 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:50,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:50,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 08:04:50,492 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:50,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:50,493 INFO L85 PathProgramCache]: Analyzing trace with hash 837063542, now seen corresponding path program 1 times [2023-11-19 08:04:50,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:50,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302393183] [2023-11-19 08:04:50,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:50,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:50,531 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:50,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882907177] [2023-11-19 08:04:50,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:50,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:50,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:50,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:50,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:04:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:50,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:50,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:50,930 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:50,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:50,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:51,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:51,161 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:51,165 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:51,297 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:04:51,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:04:51,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:51 BoogieIcfgContainer [2023-11-19 08:04:51,352 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:51,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:51,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:51,353 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:51,354 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:42" (3/4) ... [2023-11-19 08:04:51,356 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:51,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:51,358 INFO L158 Benchmark]: Toolchain (without parser) took 10428.09ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 100.1MB in the beginning and 100.5MB in the end (delta: -389.1kB). Peak memory consumption was 104.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,358 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:51,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.38ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 84.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.87ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 80.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,359 INFO L158 Benchmark]: Boogie Preprocessor took 46.59ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,360 INFO L158 Benchmark]: RCFGBuilder took 856.44ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 78.5MB in the beginning and 176.4MB in the end (delta: -97.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,360 INFO L158 Benchmark]: TraceAbstraction took 9037.99ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 175.3MB in the beginning and 101.5MB in the end (delta: 73.8MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,360 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 249.6MB. Free memory was 101.5MB in the beginning and 100.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:51,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 146.8MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.38ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 84.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.87ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 80.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.59ms. Allocated memory is still 146.8MB. Free memory was 80.7MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.44ms. Allocated memory was 146.8MB in the beginning and 207.6MB in the end (delta: 60.8MB). Free memory was 78.5MB in the beginning and 176.4MB in the end (delta: -97.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9037.99ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 175.3MB in the beginning and 101.5MB in the end (delta: 73.8MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 249.6MB. Free memory was 101.5MB in the beginning and 100.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 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 someBinaryDOUBLEComparisonOperation at line 188, overapproximation of someBinaryFLOATComparisonOperation at line 188. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_46 = 0; [L53] unsigned short int var_1_49 = 0; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2, var_1_9=4000000001/4] [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] FCALL updateLastVariables() [L196] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L137] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L138] var_1_11 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L139] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L140] var_1_13 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L141] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L144] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L145] var_1_16 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L146] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L149] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L151] var_1_19 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L152] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L157] var_1_21 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L158] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L160] var_1_22 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L161] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L163] var_1_24 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L164] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L166] var_1_25 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L167] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L169] var_1_26 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L170] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L172] var_1_35 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L173] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L175] var_1_39 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L176] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L178] var_1_40 = __VERIFIER_nondet_ulong() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L179] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L181] var_1_41 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L182] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L196] RET updateVariables() [L197] CALL step() [L57] var_1_15 = (var_1_16 - var_1_17) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L58] COND FALSE !(var_1_21 > (var_1_27 / var_1_35)) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L61] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_27) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L66] var_1_27 = var_1_21 [L67] unsigned char stepLocal_1 = var_1_27; [L68] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L69] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L70] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L78] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L85] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L88] EXPR var_1_27 >> var_1_27 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L88] COND TRUE var_1_17 >= (var_1_27 >> var_1_27) [L89] COND TRUE var_1_25 || (var_1_20 < var_1_17) [L90] var_1_33 = ((((var_1_35 - var_1_17) < 0 ) ? -(var_1_35 - var_1_17) : (var_1_35 - var_1_17))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=128, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L93] COND TRUE 63.75f <= var_1_11 [L94] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L96] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L97] COND FALSE !(var_1_27 > stepLocal_2) [L100] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L102] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L103] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L105] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L106] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L115] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L116] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L117] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L120] COND TRUE 1 >= stepLocal_3 [L121] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L126] EXPR var_1_21 | (var_1_21 + var_1_21) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L126] COND FALSE !(var_1_27 < (var_1_21 | (var_1_21 + var_1_21))) [L129] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_21)) ? (var_1_27) : (var_1_21)))) [L132] var_1_42 = (var_1_25 || var_1_25) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=-63, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=2147483646, var_1_35=2147483647, var_1_36=32, var_1_37=2147483647, var_1_39=1073741823, var_1_40=1073741824, var_1_41=1073741824, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 9, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 510 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 2292 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1060 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 444 IncrementalHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1232 mSDtfsCounter, 444 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2002 GetRequests, 1978 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 262 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2007 NumberOfCodeBlocks, 2007 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1997 ConstructedInterpolants, 18 QuantifiedInterpolants, 3469 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3863 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 18459/18600 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 08:04:51,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:54,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:54,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:04:54,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:54,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:54,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:54,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:54,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:54,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:54,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:54,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:54,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:54,333 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:54,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:54,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:54,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:54,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:54,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:54,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:54,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:54,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:54,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:54,341 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:54,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:54,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:54,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:54,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:54,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:54,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:54,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:54,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:54,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:54,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:54,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:54,347 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:54,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:54,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:54,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:54,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:54,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:54,349 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:54,349 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:54,350 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcb802c44fca05d9a0a95a2e14fa4747615929a328e29a7c11119462c0cec4c4 [2023-11-19 08:04:54,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:54,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:54,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:54,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:54,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:54,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:04:58,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:58,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:58,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:04:58,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/e7afaee41/e91603e6d62947c39d060ca016595fcd/FLAGed8264f52 [2023-11-19 08:04:58,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/data/e7afaee41/e91603e6d62947c39d060ca016595fcd [2023-11-19 08:04:58,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:58,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:58,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:58,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:58,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:58,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:58" (1/1) ... [2023-11-19 08:04:58,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c89d423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:58, skipping insertion in model container [2023-11-19 08:04:58,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:58" (1/1) ... [2023-11-19 08:04:58,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:58,781 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2023-11-19 08:04:58,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:58,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:58,929 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_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i[918,931] [2023-11-19 08:04:59,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:59,056 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:59,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59 WrapperNode [2023-11-19 08:04:59,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:59,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:59,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:59,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:59,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,145 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-19 08:04:59,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:59,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:59,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:59,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:59,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:59,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:59,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:59,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:59,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (1/1) ... [2023-11-19 08:04:59,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:59,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:59,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:59,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:04:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:59,435 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:59,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:59,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:59,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:59,972 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:59,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:59 BoogieIcfgContainer [2023-11-19 08:04:59,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:59,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:59,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:59,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:59,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:58" (1/3) ... [2023-11-19 08:04:59,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e9724f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:59, skipping insertion in model container [2023-11-19 08:04:59,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:59" (2/3) ... [2023-11-19 08:04:59,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e9724f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:59, skipping insertion in model container [2023-11-19 08:04:59,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:59" (3/3) ... [2023-11-19 08:04:59,987 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-1.i [2023-11-19 08:05:00,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:00,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:00,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:00,067 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;@73abc649, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:00,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:05:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-19 08:05:00,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:00,092 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:00,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:00,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash -793843326, now seen corresponding path program 1 times [2023-11-19 08:05:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:00,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471196457] [2023-11-19 08:05:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:00,113 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 08:05:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:00,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:00,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:00,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:00,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-19 08:05:00,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:00,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:00,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471196457] [2023-11-19 08:05:00,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471196457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:00,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:00,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:00,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190515686] [2023-11-19 08:05:00,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:00,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:00,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:00,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:00,747 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:05:00,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:00,793 INFO L93 Difference]: Finished difference Result 177 states and 317 transitions. [2023-11-19 08:05:00,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:00,800 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-11-19 08:05:00,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:00,809 INFO L225 Difference]: With dead ends: 177 [2023-11-19 08:05:00,812 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 08:05:00,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 08:05:00,826 INFO L413 NwaCegarLoop]: 138 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, 138 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 08:05:00,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:00,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 08:05:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 08:05:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:05:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2023-11-19 08:05:00,916 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 198 [2023-11-19 08:05:00,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:00,916 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2023-11-19 08:05:00,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 08:05:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2023-11-19 08:05:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-19 08:05:00,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:00,931 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:00,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:01,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:01,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:01,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash 893548930, now seen corresponding path program 1 times [2023-11-19 08:05:01,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:01,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322865477] [2023-11-19 08:05:01,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:01,144 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 08:05:01,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:01,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:01,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:01,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:05:01,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 08:05:02,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:05:02,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:02,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322865477] [2023-11-19 08:05:02,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322865477] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:02,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:02,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-11-19 08:05:02,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274729521] [2023-11-19 08:05:02,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:02,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:02,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:02,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:02,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:05:02,789 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:02,948 INFO L93 Difference]: Finished difference Result 173 states and 273 transitions. [2023-11-19 08:05:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-11-19 08:05:02,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:02,954 INFO L225 Difference]: With dead ends: 173 [2023-11-19 08:05:02,955 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 08:05:02,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:05:02,957 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 19 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:02,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 225 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:05:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 08:05:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 08:05:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:05:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 137 transitions. [2023-11-19 08:05:02,975 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 137 transitions. Word has length 198 [2023-11-19 08:05:02,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:02,978 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 137 transitions. [2023-11-19 08:05:02,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2023-11-19 08:05:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-19 08:05:02,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:02,983 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:03,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:03,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:03,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:03,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1151714368, now seen corresponding path program 1 times [2023-11-19 08:05:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:03,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037996275] [2023-11-19 08:05:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:03,195 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 08:05:03,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:03,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:03,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:03,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:03,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:05:03,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:03,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037996275] [2023-11-19 08:05:03,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037996275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:03,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:03,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:03,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973980535] [2023-11-19 08:05:03,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:03,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:03,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:03,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:03,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:03,983 INFO L87 Difference]: Start difference. First operand 88 states and 137 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:04,044 INFO L93 Difference]: Finished difference Result 258 states and 405 transitions. [2023-11-19 08:05:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:04,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-11-19 08:05:04,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:04,054 INFO L225 Difference]: With dead ends: 258 [2023-11-19 08:05:04,054 INFO L226 Difference]: Without dead ends: 173 [2023-11-19 08:05:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 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 08:05:04,057 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 33 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:04,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 262 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-19 08:05:04,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2023-11-19 08:05:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:05:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 269 transitions. [2023-11-19 08:05:04,098 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 269 transitions. Word has length 198 [2023-11-19 08:05:04,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:04,099 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 269 transitions. [2023-11-19 08:05:04,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 269 transitions. [2023-11-19 08:05:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-19 08:05:04,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:04,103 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:04,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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)] Ended with exit code 0 [2023-11-19 08:05:04,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:04,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:04,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash -671525694, now seen corresponding path program 1 times [2023-11-19 08:05:04,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:04,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710187926] [2023-11-19 08:05:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:04,314 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 08:05:04,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:04,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:04,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (5)] Waiting until timeout for monitored process [2023-11-19 08:05:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:04,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:05:04,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-11-19 08:05:05,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 08:05:06,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:06,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710187926] [2023-11-19 08:05:06,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710187926] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:06,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:06,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2023-11-19 08:05:06,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045670236] [2023-11-19 08:05:06,561 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:06,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-19 08:05:06,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:06,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 08:05:06,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:05:06,565 INFO L87 Difference]: Start difference. First operand 171 states and 269 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 17 states have internal predecessors, (90), 5 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2023-11-19 08:05:09,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:09,270 INFO L93 Difference]: Finished difference Result 569 states and 833 transitions. [2023-11-19 08:05:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-19 08:05:09,272 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 17 states have internal predecessors, (90), 5 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) Word has length 199 [2023-11-19 08:05:09,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:09,278 INFO L225 Difference]: With dead ends: 569 [2023-11-19 08:05:09,278 INFO L226 Difference]: Without dead ends: 401 [2023-11-19 08:05:09,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 384 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=550, Invalid=1520, Unknown=0, NotChecked=0, Total=2070 [2023-11-19 08:05:09,287 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 395 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:09,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 496 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 08:05:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-19 08:05:09,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 217. [2023-11-19 08:05:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 144 states have (on average 1.3055555555555556) internal successors, (188), 144 states have internal predecessors, (188), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:05:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 312 transitions. [2023-11-19 08:05:09,380 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 312 transitions. Word has length 199 [2023-11-19 08:05:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:09,382 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 312 transitions. [2023-11-19 08:05:09,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 17 states have internal predecessors, (90), 5 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (55), 5 states have call predecessors, (55), 5 states have call successors, (55) [2023-11-19 08:05:09,383 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 312 transitions. [2023-11-19 08:05:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:05:09,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:09,388 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:09,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (5)] Ended with exit code 0 [2023-11-19 08:05:09,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:09,596 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:09,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:09,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1853404500, now seen corresponding path program 1 times [2023-11-19 08:05:09,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:09,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624029617] [2023-11-19 08:05:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:09,598 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 08:05:09,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:09,600 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:09,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (6)] Waiting until timeout for monitored process [2023-11-19 08:05:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:05:09,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 08:05:11,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:05:11,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624029617] [2023-11-19 08:05:11,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624029617] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:11,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:11,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-11-19 08:05:11,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579958848] [2023-11-19 08:05:11,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:11,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:05:11,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:11,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:05:11,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:05:11,575 INFO L87 Difference]: Start difference. First operand 217 states and 312 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:12,880 INFO L93 Difference]: Finished difference Result 925 states and 1330 transitions. [2023-11-19 08:05:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:05:12,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:05:12,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:12,893 INFO L225 Difference]: With dead ends: 925 [2023-11-19 08:05:12,893 INFO L226 Difference]: Without dead ends: 711 [2023-11-19 08:05:12,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2023-11-19 08:05:12,896 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 464 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:12,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 506 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 08:05:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2023-11-19 08:05:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 375. [2023-11-19 08:05:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 270 states have (on average 1.362962962962963) internal successors, (368), 272 states have internal predecessors, (368), 88 states have call successors, (88), 16 states have call predecessors, (88), 16 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 08:05:12,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 544 transitions. [2023-11-19 08:05:12,972 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 544 transitions. Word has length 200 [2023-11-19 08:05:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:12,973 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 544 transitions. [2023-11-19 08:05:12,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 544 transitions. [2023-11-19 08:05:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:05:12,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:12,978 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:12,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:13,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:13,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:13,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash -666555434, now seen corresponding path program 1 times [2023-11-19 08:05:13,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:13,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139683718] [2023-11-19 08:05:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:13,194 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 08:05:13,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:13,196 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:13,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (7)] Waiting until timeout for monitored process [2023-11-19 08:05:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:13,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:05:13,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1073 proven. 84 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 08:05:14,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 207 proven. 54 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2023-11-19 08:05:15,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:15,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139683718] [2023-11-19 08:05:15,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139683718] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:15,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:15,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2023-11-19 08:05:15,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816027015] [2023-11-19 08:05:15,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:15,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-19 08:05:15,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:15,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-19 08:05:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2023-11-19 08:05:15,701 INFO L87 Difference]: Start difference. First operand 375 states and 544 transitions. Second operand has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 5 states have call successors, (48), 4 states have call predecessors, (48), 9 states have return successors, (49), 7 states have call predecessors, (49), 5 states have call successors, (49) [2023-11-19 08:05:17,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:17,687 INFO L93 Difference]: Finished difference Result 812 states and 1156 transitions. [2023-11-19 08:05:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-19 08:05:17,688 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 5 states have call successors, (48), 4 states have call predecessors, (48), 9 states have return successors, (49), 7 states have call predecessors, (49), 5 states have call successors, (49) Word has length 200 [2023-11-19 08:05:17,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:17,694 INFO L225 Difference]: With dead ends: 812 [2023-11-19 08:05:17,694 INFO L226 Difference]: Without dead ends: 440 [2023-11-19 08:05:17,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 375 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=481, Invalid=925, Unknown=0, NotChecked=0, Total=1406 [2023-11-19 08:05:17,697 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 298 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:17,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 375 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 08:05:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-11-19 08:05:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 261. [2023-11-19 08:05:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 184 states have (on average 1.3043478260869565) internal successors, (240), 184 states have internal predecessors, (240), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:05:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 364 transitions. [2023-11-19 08:05:17,735 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 364 transitions. Word has length 200 [2023-11-19 08:05:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:17,736 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 364 transitions. [2023-11-19 08:05:17,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 22 states have internal predecessors, (100), 5 states have call successors, (48), 4 states have call predecessors, (48), 9 states have return successors, (49), 7 states have call predecessors, (49), 5 states have call successors, (49) [2023-11-19 08:05:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 364 transitions. [2023-11-19 08:05:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:05:17,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:17,740 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:17,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:17,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:17,949 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:17,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,949 INFO L85 PathProgramCache]: Analyzing trace with hash -664708392, now seen corresponding path program 1 times [2023-11-19 08:05:17,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:17,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413243006] [2023-11-19 08:05:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,953 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 08:05:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:17,954 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:17,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (8)] Waiting until timeout for monitored process [2023-11-19 08:05:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:18,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:05:18,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 08:05:19,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:05:19,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:19,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413243006] [2023-11-19 08:05:19,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413243006] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:19,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:19,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-19 08:05:19,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189666168] [2023-11-19 08:05:19,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:19,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:19,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:19,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:19,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:05:19,456 INFO L87 Difference]: Start difference. First operand 261 states and 364 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:19,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:19,912 INFO L93 Difference]: Finished difference Result 691 states and 966 transitions. [2023-11-19 08:05:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:05:19,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:05:19,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:19,918 INFO L225 Difference]: With dead ends: 691 [2023-11-19 08:05:19,918 INFO L226 Difference]: Without dead ends: 433 [2023-11-19 08:05:19,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:05:19,921 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 147 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:19,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 382 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:05:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-19 08:05:19,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 241. [2023-11-19 08:05:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 164 states have (on average 1.2682926829268293) internal successors, (208), 164 states have internal predecessors, (208), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:05:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 332 transitions. [2023-11-19 08:05:19,959 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 332 transitions. Word has length 200 [2023-11-19 08:05:19,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:19,960 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 332 transitions. [2023-11-19 08:05:19,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 332 transitions. [2023-11-19 08:05:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:05:19,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:19,963 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:19,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:20,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:20,172 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:20,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:20,173 INFO L85 PathProgramCache]: Analyzing trace with hash 49813208, now seen corresponding path program 1 times [2023-11-19 08:05:20,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:20,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587306461] [2023-11-19 08:05:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:20,173 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 08:05:20,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:20,174 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:20,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (9)] Waiting until timeout for monitored process [2023-11-19 08:05:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:20,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:05:20,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 08:05:21,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 08:05:21,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:21,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587306461] [2023-11-19 08:05:21,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587306461] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:21,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:21,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2023-11-19 08:05:21,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896983722] [2023-11-19 08:05:21,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:21,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:05:21,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:21,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:05:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:05:21,646 INFO L87 Difference]: Start difference. First operand 241 states and 332 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:22,454 INFO L93 Difference]: Finished difference Result 687 states and 936 transitions. [2023-11-19 08:05:22,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:05:22,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 08:05:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:22,459 INFO L225 Difference]: With dead ends: 687 [2023-11-19 08:05:22,459 INFO L226 Difference]: Without dead ends: 449 [2023-11-19 08:05:22,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2023-11-19 08:05:22,462 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 230 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:22,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 291 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:05:22,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-19 08:05:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 277. [2023-11-19 08:05:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 200 states have (on average 1.315) internal successors, (263), 200 states have internal predecessors, (263), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 08:05:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 387 transitions. [2023-11-19 08:05:22,505 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 387 transitions. Word has length 200 [2023-11-19 08:05:22,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:22,506 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 387 transitions. [2023-11-19 08:05:22,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 08:05:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 387 transitions. [2023-11-19 08:05:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:05:22,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:22,510 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:22,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:22,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:22,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:22,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:22,719 INFO L85 PathProgramCache]: Analyzing trace with hash 107071510, now seen corresponding path program 1 times [2023-11-19 08:05:22,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:22,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226656989] [2023-11-19 08:05:22,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,720 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 08:05:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:22,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 08:05:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f5f4bbc-510f-47ce-9fb6-142e855b30e8/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 (10)] Waiting until timeout for monitored process [2023-11-19 08:05:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:23,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 08:05:23,013 INFO L285 TraceCheckSpWp]: Computing forward predicates...