./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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 a6d265bdbc1a49c23f97435873a48e7440ae9d92d59f2c53ecf9705b5276f1aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:12,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:12,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:47:12,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:12,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:12,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:12,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:12,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:12,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:12,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:12,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:12,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:12,371 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:12,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:12,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:12,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:12,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:12,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:12,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:12,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:12,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:12,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:12,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:12,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:12,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:12,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:12,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:12,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:12,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:12,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:12,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:12,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:12,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:12,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:12,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:12,385 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:12,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:12,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:12,385 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:12,386 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6d265bdbc1a49c23f97435873a48e7440ae9d92d59f2c53ecf9705b5276f1aa [2023-11-19 07:47:12,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:12,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:12,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:12,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:12,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:12,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:15,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:16,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:16,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:16,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/62e6082e1/4365c3e856a5492994da635ad3692421/FLAG9e6898e53 [2023-11-19 07:47:16,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/62e6082e1/4365c3e856a5492994da635ad3692421 [2023-11-19 07:47:16,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:16,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:16,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:16,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:16,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:16,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe74f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16, skipping insertion in model container [2023-11-19 07:47:16,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:16,404 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i[913,926] [2023-11-19 07:47:16,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:16,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:16,475 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i[913,926] [2023-11-19 07:47:16,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:16,518 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:16,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16 WrapperNode [2023-11-19 07:47:16,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:16,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:16,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:16,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:16,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,591 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-19 07:47:16,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:16,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:16,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:16,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:16,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:16,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:16,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:16,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:16,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (1/1) ... [2023-11-19 07:47:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:16,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:16,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:16,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:16,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:17,210 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:17,219 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:17,220 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:17,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17 BoogieIcfgContainer [2023-11-19 07:47:17,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:17,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:17,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:17,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:17,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:16" (1/3) ... [2023-11-19 07:47:17,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab88dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:16" (2/3) ... [2023-11-19 07:47:17,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab88dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:17, skipping insertion in model container [2023-11-19 07:47:17,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/3) ... [2023-11-19 07:47:17,234 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:17,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:17,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:17,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:17,328 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;@3c8aeed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:17,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:47:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:17,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:17,346 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:17,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:17,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:17,351 INFO L85 PathProgramCache]: Analyzing trace with hash -780075771, now seen corresponding path program 1 times [2023-11-19 07:47:17,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:17,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102841417] [2023-11-19 07:47:17,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:17,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:47:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:47:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:47:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:47:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:47:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 07:47:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:47:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:47:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:47:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:47:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:47:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:47:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:47:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:47:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 07:47:17,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102841417] [2023-11-19 07:47:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102841417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:17,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:17,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:17,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766548655] [2023-11-19 07:47:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:17,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:17,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:17,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:17,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:17,886 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:47:17,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:17,923 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2023-11-19 07:47:17,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:17,926 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-11-19 07:47:17,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:17,936 INFO L225 Difference]: With dead ends: 101 [2023-11-19 07:47:17,936 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 07:47:17,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:17,945 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:17,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 07:47:17,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:47:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:47:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2023-11-19 07:47:17,993 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2023-11-19 07:47:17,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:17,993 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2023-11-19 07:47:17,994 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:47:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-19 07:47:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:18,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:18,000 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:18,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:47:18,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:18,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:18,002 INFO L85 PathProgramCache]: Analyzing trace with hash -784881349, now seen corresponding path program 1 times [2023-11-19 07:47:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:18,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084041860] [2023-11-19 07:47:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:47:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:47:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:47:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:47:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 07:47:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:47:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:47:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 07:47:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:47:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:47:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:47:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:47:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:47:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:47:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:47:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:47:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:47:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 07:47:18,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:18,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084041860] [2023-11-19 07:47:18,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084041860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:18,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:18,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:47:18,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524611074] [2023-11-19 07:47:18,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:18,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:18,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:18,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:18,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:18,741 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 07:47:18,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:18,901 INFO L93 Difference]: Finished difference Result 145 states and 211 transitions. [2023-11-19 07:47:18,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:18,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2023-11-19 07:47:18,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:18,905 INFO L225 Difference]: With dead ends: 145 [2023-11-19 07:47:18,905 INFO L226 Difference]: Without dead ends: 98 [2023-11-19 07:47:18,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:18,908 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 54 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:18,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 219 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:18,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-19 07:47:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2023-11-19 07:47:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:47:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2023-11-19 07:47:18,935 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 109 [2023-11-19 07:47:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:18,936 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2023-11-19 07:47:18,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 07:47:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2023-11-19 07:47:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:18,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:18,940 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:18,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:47:18,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:18,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:18,941 INFO L85 PathProgramCache]: Analyzing trace with hash 24465277, now seen corresponding path program 1 times [2023-11-19 07:47:18,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:18,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603512383] [2023-11-19 07:47:18,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:18,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:19,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:19,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:19,362 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:19,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:19,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:47:19,371 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:47:19,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:19,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:19 BoogieIcfgContainer [2023-11-19 07:47:19,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:19,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:19,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:19,495 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:19,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:17" (3/4) ... [2023-11-19 07:47:19,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:19,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:19,502 INFO L158 Benchmark]: Toolchain (without parser) took 3318.44ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 122.5MB in the beginning and 175.6MB in the end (delta: -53.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,502 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:19,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.65ms. Allocated memory is still 165.7MB. Free memory was 122.2MB in the beginning and 109.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.48ms. Allocated memory is still 165.7MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,504 INFO L158 Benchmark]: Boogie Preprocessor took 30.67ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,504 INFO L158 Benchmark]: RCFGBuilder took 600.08ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 90.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,505 INFO L158 Benchmark]: TraceAbstraction took 2267.18ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 90.1MB in the beginning and 175.6MB in the end (delta: -85.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:19,505 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 220.2MB. Free memory is still 175.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:19,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.65ms. Allocated memory is still 165.7MB. Free memory was 122.2MB in the beginning and 109.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.48ms. Allocated memory is still 165.7MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.67ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.08ms. Allocated memory is still 165.7MB. Free memory was 105.8MB in the beginning and 90.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2267.18ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 90.1MB in the beginning and 175.6MB in the end (delta: -85.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 220.2MB. Free memory is still 175.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned long int var_1_9 = 1; [L31] unsigned char var_1_10 = 1; [L32] double var_1_11 = 9.3; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 1; [L35] unsigned char var_1_16 = 1; [L36] unsigned char last_1_var_1_16 = 1; VAL [isInitial=0, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L76] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L78] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=128, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L89] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L90] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L91] var_1_11 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L94] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L95] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L95] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L96] var_1_15 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L97] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L98] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L98] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L112] RET updateVariables() [L113] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_16 && last_1_var_1_16; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, var_1_10=1, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L41] COND TRUE (var_1_5 > var_1_11) || stepLocal_0 [L42] var_1_10 = var_1_14 VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L46] unsigned char stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L47] COND FALSE !(stepLocal_1 && var_1_10) [L54] var_1_16 = var_1_15 VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L56] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L57] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=0, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : ((var_1_2 >= (var_1_3 + var_1_5)) ? ((var_1_4 > (- var_1_5)) ? (var_1_1 == ((unsigned long int) var_1_6)) : (var_1_1 == ((unsigned long int) var_1_9))) : (var_1_1 == ((unsigned long int) var_1_6)))) && (((var_1_5 > var_1_11) || (last_1_var_1_16 && last_1_var_1_16)) ? (var_1_10 == ((unsigned char) var_1_14)) : (var_1_10 == ((unsigned char) (var_1_14 && (! var_1_15)))))) && ((var_1_10 && var_1_10) ? ((var_1_4 < (- var_1_5)) ? (var_1_16 == ((unsigned char) var_1_15)) : (var_1_16 == ((unsigned char) var_1_15))) : (var_1_16 == ((unsigned char) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=0, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=0, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_11=4294967302, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=0, var_1_3=4294967303, var_1_4=4294967301, var_1_5=4294967304, var_1_6=0, var_1_7=2147483647, var_1_8=2147483647, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 140 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1088/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:47:19,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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 a6d265bdbc1a49c23f97435873a48e7440ae9d92d59f2c53ecf9705b5276f1aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:22,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:22,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:47:22,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:22,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:22,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:22,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:22,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:22,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:22,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:22,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:22,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:22,459 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:22,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:22,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:22,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:22,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:22,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:22,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:22,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:22,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:22,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:22,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:22,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:22,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:22,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:22,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:22,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:22,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:22,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:22,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:22,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:22,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:22,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:22,470 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:22,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:22,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:22,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:22,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:22,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:22,472 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:22,473 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:22,473 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6d265bdbc1a49c23f97435873a48e7440ae9d92d59f2c53ecf9705b5276f1aa [2023-11-19 07:47:22,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:22,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:22,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:22,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:22,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:22,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:25,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:26,259 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:26,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:26,269 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/64d4cd339/02a149d4a0324e90a6a67cfb3a74db1a/FLAG376765552 [2023-11-19 07:47:26,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/data/64d4cd339/02a149d4a0324e90a6a67cfb3a74db1a [2023-11-19 07:47:26,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:26,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:26,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:26,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:26,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:26,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb59593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26, skipping insertion in model container [2023-11-19 07:47:26,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:26,514 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i[913,926] [2023-11-19 07:47:26,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:26,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:26,637 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_6bebfa93-7f6d-4c92-9241-ae2dcd602643/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-74.i[913,926] [2023-11-19 07:47:26,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:26,703 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:26,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26 WrapperNode [2023-11-19 07:47:26,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:26,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:26,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:26,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:26,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,810 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-19 07:47:26,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:26,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:26,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:26,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:26,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:26,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:26,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:26,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:26,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (1/1) ... [2023-11-19 07:47:26,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:26,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:26,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:26,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:27,114 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:27,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:28,327 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:28,342 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:28,342 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:28,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:28 BoogieIcfgContainer [2023-11-19 07:47:28,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:28,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:28,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:28,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:28,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:26" (1/3) ... [2023-11-19 07:47:28,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232c524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:28, skipping insertion in model container [2023-11-19 07:47:28,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:26" (2/3) ... [2023-11-19 07:47:28,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232c524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:28, skipping insertion in model container [2023-11-19 07:47:28,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:28" (3/3) ... [2023-11-19 07:47:28,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-74.i [2023-11-19 07:47:28,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:28,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:28,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:28,464 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;@464b0bb9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:28,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:47:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:28,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:28,482 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:28,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:28,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash -780075771, now seen corresponding path program 1 times [2023-11-19 07:47:28,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:28,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827710223] [2023-11-19 07:47:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:28,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:28,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:28,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:28,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:47:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:28,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:28,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-19 07:47:28,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:28,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827710223] [2023-11-19 07:47:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827710223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:28,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:28,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522458411] [2023-11-19 07:47:28,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:28,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:28,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:29,010 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:47:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:29,064 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2023-11-19 07:47:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:29,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2023-11-19 07:47:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:29,077 INFO L225 Difference]: With dead ends: 101 [2023-11-19 07:47:29,077 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 07:47:29,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:29,088 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:29,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:29,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 07:47:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:47:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:47:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2023-11-19 07:47:29,160 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2023-11-19 07:47:29,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:29,161 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2023-11-19 07:47:29,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 07:47:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-19 07:47:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:29,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:29,168 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:29,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:29,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:29,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:29,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:29,377 INFO L85 PathProgramCache]: Analyzing trace with hash -784881349, now seen corresponding path program 1 times [2023-11-19 07:47:29,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:29,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135030794] [2023-11-19 07:47:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:29,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:29,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:29,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:29,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:47:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:29,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:47:29,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 07:47:30,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:30,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:30,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135030794] [2023-11-19 07:47:30,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135030794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:30,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:30,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:47:30,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53470700] [2023-11-19 07:47:30,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:30,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:30,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:30,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:30,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:30,013 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 07:47:30,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:30,748 INFO L93 Difference]: Finished difference Result 145 states and 211 transitions. [2023-11-19 07:47:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:47:30,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2023-11-19 07:47:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:30,758 INFO L225 Difference]: With dead ends: 145 [2023-11-19 07:47:30,758 INFO L226 Difference]: Without dead ends: 98 [2023-11-19 07:47:30,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:47:30,760 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 52 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:30,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 265 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 07:47:30,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-19 07:47:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2023-11-19 07:47:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:47:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2023-11-19 07:47:30,787 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 109 [2023-11-19 07:47:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:30,788 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2023-11-19 07:47:30,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 07:47:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2023-11-19 07:47:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 07:47:30,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:30,791 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:30,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/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)] Ended with exit code 0 [2023-11-19 07:47:30,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:30,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:30,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:30,999 INFO L85 PathProgramCache]: Analyzing trace with hash 24465277, now seen corresponding path program 1 times [2023-11-19 07:47:30,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:31,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764315101] [2023-11-19 07:47:31,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:31,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:47:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:31,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:47:31,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bebfa93-7f6d-4c92-9241-ae2dcd602643/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:47:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:31,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:47:31,282 INFO L285 TraceCheckSpWp]: Computing forward predicates...