./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:36,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:36,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:38:36,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:36,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:36,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:36,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:36,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:36,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:36,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:36,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:36,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:36,265 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:36,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:36,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:36,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:36,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:36,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:36,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:36,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:36,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:36,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:36,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:36,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:36,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:36,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:36,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:36,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:36,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:36,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:36,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:36,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:36,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:36,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:36,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:36,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:36,279 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:36,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:36,279 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:36,280 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 [2023-11-19 07:38:36,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:36,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:36,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:36,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:36,626 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:36,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:39,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:40,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:40,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:40,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/af77bad7d/d01a6d47a6f9474096311acd99b6a4e9/FLAG77b0e4c64 [2023-11-19 07:38:40,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/af77bad7d/d01a6d47a6f9474096311acd99b6a4e9 [2023-11-19 07:38:40,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:40,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:40,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:40,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:40,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:40,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5543fcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40, skipping insertion in model container [2023-11-19 07:38:40,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:40,234 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2023-11-19 07:38:40,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:40,325 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:40,336 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2023-11-19 07:38:40,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:40,385 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:40,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40 WrapperNode [2023-11-19 07:38:40,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:40,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:40,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:40,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:40,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,472 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-19 07:38:40,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:40,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:40,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:40,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:40,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:40,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:40,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:40,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:40,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (1/1) ... [2023-11-19 07:38:40,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:40,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:40,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:40,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:38:40,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:38:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:40,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:40,764 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:40,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:41,233 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:41,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:41,249 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:41,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:41 BoogieIcfgContainer [2023-11-19 07:38:41,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:41,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:41,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:41,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:41,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:40" (1/3) ... [2023-11-19 07:38:41,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a174b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:41, skipping insertion in model container [2023-11-19 07:38:41,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:40" (2/3) ... [2023-11-19 07:38:41,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a174b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:41, skipping insertion in model container [2023-11-19 07:38:41,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:41" (3/3) ... [2023-11-19 07:38:41,281 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:41,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:41,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:41,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:41,383 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;@2b3a5fed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:41,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:41,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 07:38:41,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:41,413 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:41,413 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:41,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:41,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1703649485, now seen corresponding path program 1 times [2023-11-19 07:38:41,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033895843] [2023-11-19 07:38:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:41,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:41,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033895843] [2023-11-19 07:38:41,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:38:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942735282] [2023-11-19 07:38:41,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:41,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:41,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:41,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:38:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:38:42,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-19 07:38:42,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:42,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942735282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:42,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:42,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:42,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601619710] [2023-11-19 07:38:42,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:42,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:42,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:42,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:42,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:42,216 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:38:42,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:42,259 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2023-11-19 07:38:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:42,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2023-11-19 07:38:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:42,269 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:38:42,269 INFO L226 Difference]: Without dead ends: 60 [2023-11-19 07:38:42,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:42,277 INFO L413 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-19 07:38:42,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-19 07:38:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2023-11-19 07:38:42,337 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 130 [2023-11-19 07:38:42,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:42,338 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2023-11-19 07:38:42,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:38:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2023-11-19 07:38:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 07:38:42,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:42,342 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:42,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:38:42,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:38:42,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:42,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1779092471, now seen corresponding path program 1 times [2023-11-19 07:38:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:42,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698249318] [2023-11-19 07:38:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:42,610 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:38:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696811628] [2023-11-19 07:38:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:42,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:42,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:42,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:42,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:38:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:42,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:38:42,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 07:38:42,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:42,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:42,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698249318] [2023-11-19 07:38:42,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:38:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696811628] [2023-11-19 07:38:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696811628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:42,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:42,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669435376] [2023-11-19 07:38:42,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:42,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:42,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:42,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:42,872 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:42,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:42,950 INFO L93 Difference]: Finished difference Result 171 states and 255 transitions. [2023-11-19 07:38:42,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:42,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2023-11-19 07:38:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:42,954 INFO L225 Difference]: With dead ends: 171 [2023-11-19 07:38:42,955 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 07:38:42,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:42,958 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 79 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:42,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 242 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:42,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 07:38:42,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 62. [2023-11-19 07:38:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2023-11-19 07:38:42,997 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 130 [2023-11-19 07:38:43,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:43,000 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2023-11-19 07:38:43,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-19 07:38:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 07:38:43,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:43,004 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:43,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:43,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:43,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:43,222 INFO L85 PathProgramCache]: Analyzing trace with hash 235972954, now seen corresponding path program 1 times [2023-11-19 07:38:43,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:43,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592393771] [2023-11-19 07:38:43,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:43,311 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:38:43,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684685398] [2023-11-19 07:38:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:43,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:43,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:43,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:43,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:38:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:43,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:38:43,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 07:38:43,564 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:43,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:43,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592393771] [2023-11-19 07:38:43,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:38:43,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684685398] [2023-11-19 07:38:43,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684685398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:43,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:43,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:38:43,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649037273] [2023-11-19 07:38:43,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:43,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:43,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:43,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:43,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:43,569 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:44,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:44,072 INFO L93 Difference]: Finished difference Result 178 states and 256 transitions. [2023-11-19 07:38:44,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:38:44,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2023-11-19 07:38:44,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:44,085 INFO L225 Difference]: With dead ends: 178 [2023-11-19 07:38:44,085 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 07:38:44,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:38:44,093 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 111 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:44,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 282 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:38:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 07:38:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 63. [2023-11-19 07:38:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2023-11-19 07:38:44,129 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 131 [2023-11-19 07:38:44,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:44,130 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2023-11-19 07:38:44,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-19 07:38:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 07:38:44,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:44,138 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:44,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:44,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,364 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:44,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:44,364 INFO L85 PathProgramCache]: Analyzing trace with hash -836746247, now seen corresponding path program 1 times [2023-11-19 07:38:44,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:44,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628531395] [2023-11-19 07:38:44,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:44,420 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:38:44,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1847956356] [2023-11-19 07:38:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:44,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:44,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:38:44,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:38:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:44,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:38:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:38:44,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:38:44,934 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:38:44,935 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:38:44,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:45,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:38:45,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:38:45,153 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:45,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:45 BoogieIcfgContainer [2023-11-19 07:38:45,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:45,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:45,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:45,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:45,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:41" (3/4) ... [2023-11-19 07:38:45,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:38:45,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:45,332 INFO L158 Benchmark]: Toolchain (without parser) took 5300.99ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 134.1MB in the beginning and 148.9MB in the end (delta: -14.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,333 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:45,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.43ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 119.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.98ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 116.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,335 INFO L158 Benchmark]: Boogie Preprocessor took 45.64ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,335 INFO L158 Benchmark]: RCFGBuilder took 734.44ms. Allocated memory is still 163.6MB. Free memory was 114.1MB in the beginning and 93.6MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:38:45,336 INFO L158 Benchmark]: TraceAbstraction took 4067.79ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 93.1MB in the beginning and 148.9MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:45,336 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 201.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:45,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.43ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 119.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.98ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 116.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.64ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 114.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.44ms. Allocated memory is still 163.6MB. Free memory was 114.1MB in the beginning and 93.6MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4067.79ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 93.1MB in the beginning and 148.9MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 201.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -64; [L23] signed short int var_1_5 = 8; [L24] signed short int var_1_6 = 8; [L25] signed short int var_1_7 = 5; [L26] signed short int var_1_8 = 0; [L27] signed char var_1_9 = 5; [L28] signed char var_1_11 = 16; [L29] signed short int var_1_12 = 25; [L30] signed short int var_1_13 = 64; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; [L33] float var_1_17 = 1.2; [L34] float var_1_18 = 5.8; [L35] float var_1_19 = 10.25; [L36] float var_1_20 = 2.5; [L37] signed short int var_1_21 = 200; [L38] unsigned char var_1_24 = 1; [L39] unsigned char var_1_25 = 0; [L40] signed char var_1_26 = -5; [L41] signed short int last_1_var_1_1 = -64; [L42] signed short int last_1_var_1_13 = 64; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_26 = -5; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_15 = var_1_15 [L130] last_1_var_1_26 = var_1_26 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_5 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L97] var_1_6 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L98] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L99] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L99] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L100] var_1_7 = __VERIFIER_nondet_short() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L102] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L102] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L103] var_1_8 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L105] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L105] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L106] var_1_11 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L107] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L108] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L108] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L109] var_1_12 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L110] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L111] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L111] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L112] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L112] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L113] var_1_16 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L114] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L115] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L115] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L116] var_1_18 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L119] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L120] var_1_20 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L121] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L122] var_1_25 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L124] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L124] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L141] RET updateVariables() [L142] CALL step() [L48] COND FALSE !(last_1_var_1_13 == last_1_var_1_1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L55] signed long int stepLocal_3 = (var_1_6 + var_1_8) - var_1_5; [L56] signed short int stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=1, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L57] COND FALSE !(var_1_11 < stepLocal_2) [L64] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=6/5, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L66] COND TRUE var_1_11 < 5 [L67] var_1_17 = ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L69] var_1_24 = var_1_25 [L70] var_1_26 = var_1_11 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=200, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L71] COND FALSE !(\read(var_1_24)) [L76] var_1_21 = (var_1_15 - 2) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L78] unsigned char stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=0, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L79] COND FALSE !(\read(var_1_24)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=0, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L82] COND TRUE stepLocal_0 <= (var_1_21 / var_1_12) [L83] var_1_9 = var_1_11 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=0, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L88] signed long int stepLocal_1 = var_1_1 * (var_1_15 % var_1_12); VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=0, stepLocal_1=0, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L89] COND TRUE (- var_1_15) >= stepLocal_1 [L90] var_1_13 = var_1_26 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=0, stepLocal_1=0, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=-2, var_1_13=-64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((last_1_var_1_13 == last_1_var_1_1) ? ((last_1_var_1_1 <= ((((last_1_var_1_13) > (last_1_var_1_26)) ? (last_1_var_1_13) : (last_1_var_1_26)))) ? (var_1_1 == ((signed short int) (last_1_var_1_1 + (((((last_1_var_1_15 - last_1_var_1_15)) < ((last_1_var_1_15 - last_1_var_1_15))) ? ((last_1_var_1_15 - last_1_var_1_15)) : ((last_1_var_1_15 - last_1_var_1_15))))))) : (var_1_1 == ((signed short int) (((((last_1_var_1_15 - last_1_var_1_15)) < (((last_1_var_1_15 - last_1_var_1_15) + -256))) ? ((last_1_var_1_15 - last_1_var_1_15)) : (((last_1_var_1_15 - last_1_var_1_15) + -256))))))) : 1) && (var_1_24 ? (var_1_9 == ((signed char) var_1_11)) : ((var_1_15 <= (var_1_21 / var_1_12)) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_11))))) && (((- var_1_15) >= (var_1_1 * (var_1_15 % var_1_12))) ? (var_1_13 == ((signed short int) var_1_26)) : 1)) && ((var_1_11 < var_1_1) ? ((var_1_7 == ((var_1_6 + var_1_8) - var_1_5)) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && ((var_1_11 < 5) ? (var_1_17 == ((float) ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))))) : 1)) && (var_1_24 ? ((var_1_24 && var_1_24) ? (var_1_21 == ((signed short int) var_1_15)) : 1) : (var_1_21 == ((signed short int) (var_1_15 - 2))))) && (var_1_24 == ((unsigned char) var_1_25))) && (var_1_26 == ((signed char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=-64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=-64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=-2, var_1_13=-64, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=4, var_1_19=2, var_1_1=-64, var_1_20=3, var_1_21=-2, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 613 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 359 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 400 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 108 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 652 NumberOfCodeBlocks, 652 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:38:45,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:48,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:48,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:38:48,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:48,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:48,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:48,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:48,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:48,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:48,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:48,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:48,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:48,294 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:48,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:48,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:48,298 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:48,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:48,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:48,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:48,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:48,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:48,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:38:48,302 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:38:48,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:38:48,302 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:48,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:48,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:48,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:48,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:48,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:48,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:48,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:48,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:48,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:48,308 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:38:48,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:38:48,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:48,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:48,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:48,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:48,310 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:38:48,311 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:48,311 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3008ec9f955421314ac3ef7dc0ce34edf7faa284295148d08de6e3d862d37443 [2023-11-19 07:38:48,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:48,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:48,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:48,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:48,738 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:48,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:52,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:52,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:52,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:52,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/e57bdf372/07f8fae64d5b48efb64881cfc8cfe4b4/FLAG4cc96f564 [2023-11-19 07:38:52,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/data/e57bdf372/07f8fae64d5b48efb64881cfc8cfe4b4 [2023-11-19 07:38:52,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:52,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:52,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:52,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:52,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:52,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:52,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8b3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52, skipping insertion in model container [2023-11-19 07:38:52,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:52,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:52,701 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2023-11-19 07:38:52,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:52,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:52,850 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_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-91.i[913,926] [2023-11-19 07:38:52,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:52,932 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:52,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52 WrapperNode [2023-11-19 07:38:52,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:52,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:52,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:52,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:52,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:52,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,015 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-19 07:38:53,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:53,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:53,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:53,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:53,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:53,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:53,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:53,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:53,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (1/1) ... [2023-11-19 07:38:53,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:53,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:53,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:38:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:38:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:38:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:53,312 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:53,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:54,211 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:54,224 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:54,225 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:54,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:54 BoogieIcfgContainer [2023-11-19 07:38:54,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:54,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:54,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:54,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:54,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:52" (1/3) ... [2023-11-19 07:38:54,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6472b605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:54, skipping insertion in model container [2023-11-19 07:38:54,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:52" (2/3) ... [2023-11-19 07:38:54,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6472b605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:54, skipping insertion in model container [2023-11-19 07:38:54,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:54" (3/3) ... [2023-11-19 07:38:54,242 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-91.i [2023-11-19 07:38:54,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:54,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:54,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:54,335 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;@920512, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:54,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 07:38:54,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:54,357 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:54,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:54,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:54,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1703649485, now seen corresponding path program 1 times [2023-11-19 07:38:54,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:38:54,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67049721] [2023-11-19 07:38:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:54,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:38:54,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:38:54,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:38:54,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:38:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:54,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:38:54,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-19 07:38:54,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:54,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:38:54,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67049721] [2023-11-19 07:38:54,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67049721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:54,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:54,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:54,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828635389] [2023-11-19 07:38:54,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:54,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:38:54,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:54,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:54,880 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:38:54,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:54,914 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2023-11-19 07:38:54,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:54,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2023-11-19 07:38:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:54,925 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:38:54,925 INFO L226 Difference]: Without dead ends: 60 [2023-11-19 07:38:54,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:54,933 INFO L413 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:54,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:54,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-19 07:38:54,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-19 07:38:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2023-11-19 07:38:54,984 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 130 [2023-11-19 07:38:54,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:54,984 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2023-11-19 07:38:54,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 07:38:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2023-11-19 07:38:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 07:38:54,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:54,989 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:55,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:55,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:38:55,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:55,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:55,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1779092471, now seen corresponding path program 1 times [2023-11-19 07:38:55,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:38:55,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194419591] [2023-11-19 07:38:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:55,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:38:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:38:55,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:38:55,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:38:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:55,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:38:55,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:38:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 07:38:55,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:38:55,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:38:55,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194419591] [2023-11-19 07:38:55,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194419591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:55,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:55,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:38:55,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821868230] [2023-11-19 07:38:55,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:55,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:55,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:38:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:55,727 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:57,008 INFO L93 Difference]: Finished difference Result 176 states and 255 transitions. [2023-11-19 07:38:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 07:38:57,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2023-11-19 07:38:57,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:57,014 INFO L225 Difference]: With dead ends: 176 [2023-11-19 07:38:57,014 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 07:38:57,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-19 07:38:57,017 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 109 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:57,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 280 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 07:38:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 07:38:57,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 63. [2023-11-19 07:38:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:38:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2023-11-19 07:38:57,049 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 130 [2023-11-19 07:38:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:57,051 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2023-11-19 07:38:57,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-19 07:38:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-19 07:38:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 07:38:57,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:57,054 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:57,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:38:57,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:38:57,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:57,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:57,264 INFO L85 PathProgramCache]: Analyzing trace with hash -836746247, now seen corresponding path program 1 times [2023-11-19 07:38:57,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:38:57,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125607120] [2023-11-19 07:38:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:57,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:38:57,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:38:57,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:38:57,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7aa76f9b-8d74-4b99-863e-1de7a54bd94a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:38:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:57,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 07:38:57,671 INFO L285 TraceCheckSpWp]: Computing forward predicates...