./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/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_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/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_321502a7-25b7-45d5-8314-b92ca2b93c81/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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:43,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:44,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:05:44,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:44,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:44,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:44,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:44,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:44,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:44,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:44,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:44,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:44,127 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:44,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:44,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:44,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:44,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:44,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:44,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:44,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:44,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:44,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:44,137 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:44,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:44,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:44,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:44,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:44,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:44,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:44,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:44,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:44,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:44,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:44,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:44,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:44,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:44,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:44,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:44,145 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:44,145 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_321502a7-25b7-45d5-8314-b92ca2b93c81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2023-11-19 08:05:44,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:44,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:44,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:44,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:44,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:44,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2023-11-19 08:05:47,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:47,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:47,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2023-11-19 08:05:47,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/8607e0c0a/d1af2a6cebf44971a990ef28bbf25b8f/FLAG077bc9bd2 [2023-11-19 08:05:47,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/8607e0c0a/d1af2a6cebf44971a990ef28bbf25b8f [2023-11-19 08:05:47,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:47,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:47,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:47,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:47,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:47,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:47" (1/1) ... [2023-11-19 08:05:47,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb2c6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:47, skipping insertion in model container [2023-11-19 08:05:47,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:47" (1/1) ... [2023-11-19 08:05:48,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:48,218 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_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2023-11-19 08:05:48,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:48,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:48,337 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_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2023-11-19 08:05:48,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:48,417 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:48,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48 WrapperNode [2023-11-19 08:05:48,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:48,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:48,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:48,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:48,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,509 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-19 08:05:48,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:48,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:48,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:48,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:48,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:48,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:48,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:48,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:48,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (1/1) ... [2023-11-19 08:05:48,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:48,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:48,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:48,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:48,792 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:48,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:49,209 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:49,218 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:49,218 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:49,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:49 BoogieIcfgContainer [2023-11-19 08:05:49,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:49,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:49,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:49,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:49,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:47" (1/3) ... [2023-11-19 08:05:49,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87bb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:49, skipping insertion in model container [2023-11-19 08:05:49,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:48" (2/3) ... [2023-11-19 08:05:49,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87bb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:49, skipping insertion in model container [2023-11-19 08:05:49,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:49" (3/3) ... [2023-11-19 08:05:49,237 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2023-11-19 08:05:49,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:49,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:49,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:49,333 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;@586916b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:49,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:05:49,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 08:05:49,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:49,376 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:49,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:49,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1383083110, now seen corresponding path program 1 times [2023-11-19 08:05:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:49,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591497069] [2023-11-19 08:05:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:49,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:49,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591497069] [2023-11-19 08:05:49,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:05:49,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64352260] [2023-11-19 08:05:49,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:49,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:49,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:49,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:05:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:49,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:49,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-19 08:05:49,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:49,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64352260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:49,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:49,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:49,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290903129] [2023-11-19 08:05:49,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:49,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:50,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:50,025 INFO L87 Difference]: Start difference. First operand has 60 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:05:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:50,080 INFO L93 Difference]: Finished difference Result 113 states and 188 transitions. [2023-11-19 08:05:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:50,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2023-11-19 08:05:50,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:50,091 INFO L225 Difference]: With dead ends: 113 [2023-11-19 08:05:50,091 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 08:05:50,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:50,099 INFO L413 NwaCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:50,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 08:05:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 08:05:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:05:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2023-11-19 08:05:50,154 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 107 [2023-11-19 08:05:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:50,156 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2023-11-19 08:05:50,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:05:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2023-11-19 08:05:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 08:05:50,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:50,165 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:50,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:50,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:50,380 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:50,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:50,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1366791534, now seen corresponding path program 1 times [2023-11-19 08:05:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:50,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200846676] [2023-11-19 08:05:50,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:50,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:50,483 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:50,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423422257] [2023-11-19 08:05:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:50,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:50,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:50,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:50,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:05:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:50,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:50,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:50,761 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:05:50,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:05:50,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:50,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:50,992 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:05:50,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:05:51,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:05:51,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:05:51,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 08:05:51,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-19 08:05:51,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-19 08:05:51,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:51 BoogieIcfgContainer [2023-11-19 08:05:51,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:51,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:51,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:51,114 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:51,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:49" (3/4) ... [2023-11-19 08:05:51,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:51,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:51,122 INFO L158 Benchmark]: Toolchain (without parser) took 3176.44ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 95.8MB in the beginning and 84.3MB in the end (delta: 11.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,123 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:51,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.95ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 82.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.98ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 79.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,125 INFO L158 Benchmark]: Boogie Preprocessor took 80.82ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,125 INFO L158 Benchmark]: RCFGBuilder took 631.23ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 58.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,126 INFO L158 Benchmark]: TraceAbstraction took 1887.61ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 58.1MB in the beginning and 84.3MB in the end (delta: -26.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:51,127 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 172.0MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:51,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.95ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 82.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.98ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 79.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.82ms. Allocated memory is still 134.2MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.23ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 58.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1887.61ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 58.1MB in the beginning and 84.3MB in the end (delta: -26.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 172.0MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of shiftRight at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] float var_1_3 = 1.8; [L24] float var_1_4 = 8.54; [L25] float var_1_5 = 255.8; [L26] float var_1_6 = 50.4; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; VAL [isInitial=0, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_4=427/50, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_float() [L59] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=1279/5, var_1_6=252/5, var_1_7=0, var_1_8=8] [L60] var_1_5 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=252/5, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=252/5, var_1_7=0, var_1_8=8] [L61] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=252/5, var_1_7=0, var_1_8=8] [L62] var_1_6 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=8] [L64] var_1_8 = __VERIFIER_nondet_ulong() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L66] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L66] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L67] var_1_10 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L68] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L69] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L72] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L72] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L75] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L75] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L76] var_1_14 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L78] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L80] var_1_17 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L81] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L82] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=-1, var_1_17=0, var_1_1=-64, var_1_3=9/5, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L96] RET updateVariables() [L97] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=0, var_1_8=0] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=0, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L47] COND TRUE (var_1_16 / var_1_14) < (var_1_7 >> var_1_7) [L48] var_1_13 = ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))) VAL [isInitial=1, last_1_var_1_7=0, stepLocal_0=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L97] RET step() [L98] CALL, EXPR property() [L88] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L88] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L88-L89] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((float) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_7=0, var_1_10=1, var_1_11=0, var_1_12=127, var_1_13=4, var_1_14=1, var_1_16=0, var_1_17=0, var_1_1=0, var_1_5=2, var_1_6=3, var_1_7=127, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 82 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 82 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 480/480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:05:51,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/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_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/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_321502a7-25b7-45d5-8314-b92ca2b93c81/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 afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:53,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:54,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:54,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:54,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:54,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:54,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:54,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:54,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:54,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:54,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:54,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:54,125 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:54,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:54,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:54,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:54,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:54,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:54,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:54,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:54,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:54,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:54,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:54,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:54,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:54,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:54,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:54,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:54,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:54,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:54,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:54,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:54,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:54,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:54,134 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:54,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:54,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:54,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:54,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:54,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:54,136 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:54,136 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:54,136 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_321502a7-25b7-45d5-8314-b92ca2b93c81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afae07a7e8a468ecc7c0f4a08803b8b183d56b14bf458e30f12588ce54318aab [2023-11-19 08:05:54,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:54,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:54,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:54,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:54,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:54,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2023-11-19 08:05:57,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:58,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:58,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i [2023-11-19 08:05:58,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/5cb2de003/446c2b54e585487f93170e97016deb6e/FLAGb2b987fa8 [2023-11-19 08:05:58,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/data/5cb2de003/446c2b54e585487f93170e97016deb6e [2023-11-19 08:05:58,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:58,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:58,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:58,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:58,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:58,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3229281c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58, skipping insertion in model container [2023-11-19 08:05:58,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:58,344 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_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2023-11-19 08:05:58,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:58,413 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:58,430 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_321502a7-25b7-45d5-8314-b92ca2b93c81/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-95.i[913,926] [2023-11-19 08:05:58,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:58,514 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:58,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58 WrapperNode [2023-11-19 08:05:58,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:58,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:58,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:58,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:58,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,599 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-19 08:05:58,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:58,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:58,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:58,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:58,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:58,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:58,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:58,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:58,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:58,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:58,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:58,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:58,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:58,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:01,443 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:01,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:01,462 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:06:01,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:01 BoogieIcfgContainer [2023-11-19 08:06:01,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:01,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:01,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:01,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:01,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:58" (1/3) ... [2023-11-19 08:06:01,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0599c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:01, skipping insertion in model container [2023-11-19 08:06:01,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58" (2/3) ... [2023-11-19 08:06:01,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0599c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:01, skipping insertion in model container [2023-11-19 08:06:01,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:01" (3/3) ... [2023-11-19 08:06:01,482 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-95.i [2023-11-19 08:06:01,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:01,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:01,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:01,564 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;@781546f0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:01,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:06:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 08:06:01,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:01,585 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:01,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:01,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash -934264968, now seen corresponding path program 1 times [2023-11-19 08:06:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:01,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859636005] [2023-11-19 08:06:01,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:01,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:01,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:06:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:02,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:06:02,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-19 08:06:02,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:02,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:06:02,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859636005] [2023-11-19 08:06:02,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859636005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:02,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:02,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:06:02,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237365015] [2023-11-19 08:06:02,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:02,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:06:02,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:06:02,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:06:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:02,327 INFO L87 Difference]: Start difference. First operand has 47 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:06:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:02,365 INFO L93 Difference]: Finished difference Result 87 states and 146 transitions. [2023-11-19 08:06:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:06:02,368 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2023-11-19 08:06:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:02,377 INFO L225 Difference]: With dead ends: 87 [2023-11-19 08:06:02,378 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 08:06:02,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:02,387 INFO L413 NwaCegarLoop]: 60 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, 60 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:02,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:06:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 08:06:02,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 08:06:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:06:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2023-11-19 08:06:02,455 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 100 [2023-11-19 08:06:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:02,456 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2023-11-19 08:06:02,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 08:06:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-19 08:06:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 08:06:02,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:02,466 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:02,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/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)] Ended with exit code 0 [2023-11-19 08:06:02,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:02,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:02,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash 905658301, now seen corresponding path program 1 times [2023-11-19 08:06:02,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:02,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187647564] [2023-11-19 08:06:02,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:02,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_321502a7-25b7-45d5-8314-b92ca2b93c81/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:06:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:03,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 08:06:03,175 INFO L285 TraceCheckSpWp]: Computing forward predicates...