./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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 58f9160d5aee9cc43b7c3e9a23be0e38f5b1f7b528eca50b07239bd3dfe5d081 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:23,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:23,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:04:23,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:23,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:23,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:23,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:23,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:23,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:23,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:23,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:23,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:23,712 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:23,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:23,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:23,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:23,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:23,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:23,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:23,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:23,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:23,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:23,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:23,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:23,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:23,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:23,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:23,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:23,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:23,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:23,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:23,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:23,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:23,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:23,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:23,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:23,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:23,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:23,747 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:23,747 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58f9160d5aee9cc43b7c3e9a23be0e38f5b1f7b528eca50b07239bd3dfe5d081 [2023-11-19 08:04:24,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:24,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:24,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:24,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:24,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:24,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:27,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:27,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:27,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:27,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/42f258c83/ce257682899d462a8c73bbffb388bb4a/FLAG8ad1a0bc7 [2023-11-19 08:04:27,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/42f258c83/ce257682899d462a8c73bbffb388bb4a [2023-11-19 08:04:27,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:27,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:27,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:27,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:27,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:27,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:27" (1/1) ... [2023-11-19 08:04:27,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231dffea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:27, skipping insertion in model container [2023-11-19 08:04:27,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:27" (1/1) ... [2023-11-19 08:04:27,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:28,119 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i[913,926] [2023-11-19 08:04:28,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:28,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:28,211 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i[913,926] [2023-11-19 08:04:28,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:28,311 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:28,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28 WrapperNode [2023-11-19 08:04:28,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:28,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:28,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:28,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:28,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,384 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-19 08:04:28,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:28,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:28,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:28,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:28,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:28,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:28,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:28,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:28,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (1/1) ... [2023-11-19 08:04:28,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:28,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:28,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:28,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:28,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:28,687 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:28,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:29,177 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:29,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:29,188 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:29,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:29 BoogieIcfgContainer [2023-11-19 08:04:29,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:29,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:29,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:29,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:29,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:27" (1/3) ... [2023-11-19 08:04:29,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:29, skipping insertion in model container [2023-11-19 08:04:29,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:28" (2/3) ... [2023-11-19 08:04:29,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:29, skipping insertion in model container [2023-11-19 08:04:29,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:29" (3/3) ... [2023-11-19 08:04:29,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:29,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:29,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:29,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:29,420 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;@5c9ff94a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:29,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:04:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 08:04:29,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:29,456 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:29,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:29,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash -271495992, now seen corresponding path program 1 times [2023-11-19 08:04:29,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:29,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072209946] [2023-11-19 08:04:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:29,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:04:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 08:04:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 08:04:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 08:04:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 08:04:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:04:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:04:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:04:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:04:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 08:04:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 08:04:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:04:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 08:04:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 08:04:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 08:04:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 08:04:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 08:04:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 08:04:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 08:04:30,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:30,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072209946] [2023-11-19 08:04:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072209946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:30,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:30,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:30,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937160708] [2023-11-19 08:04:30,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:30,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:30,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:30,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:30,093 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.375) internal successors, (55), 41 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:04:30,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:30,164 INFO L93 Difference]: Finished difference Result 115 states and 194 transitions. [2023-11-19 08:04:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:30,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2023-11-19 08:04:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:30,182 INFO L225 Difference]: With dead ends: 115 [2023-11-19 08:04:30,182 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 08:04:30,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:30,195 INFO L413 NwaCegarLoop]: 84 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, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:30,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:30,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 08:04:30,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-19 08:04:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:04:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2023-11-19 08:04:30,289 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 116 [2023-11-19 08:04:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:30,291 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2023-11-19 08:04:30,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:04:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-19 08:04:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 08:04:30,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:30,305 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:30,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:30,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:30,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:30,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1095400080, now seen corresponding path program 1 times [2023-11-19 08:04:30,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:30,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852860811] [2023-11-19 08:04:30,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:30,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:30,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:30,876 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:30,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:30,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:30,886 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:04:30,892 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:31,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated [2023-11-19 08:04:31,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:31 BoogieIcfgContainer [2023-11-19 08:04:31,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:31,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:31,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:31,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:31,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:29" (3/4) ... [2023-11-19 08:04:31,060 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:31,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:31,063 INFO L158 Benchmark]: Toolchain (without parser) took 3289.47ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 71.3MB in the beginning and 104.1MB in the end (delta: -32.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,065 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:31,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.85ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 71.0MB in the beginning and 161.8MB in the end (delta: -90.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.37ms. Allocated memory is still 199.2MB. Free memory was 161.8MB in the beginning and 159.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,072 INFO L158 Benchmark]: Boogie Preprocessor took 41.79ms. Allocated memory is still 199.2MB. Free memory was 159.8MB in the beginning and 157.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,073 INFO L158 Benchmark]: RCFGBuilder took 766.33ms. Allocated memory is still 199.2MB. Free memory was 157.7MB in the beginning and 140.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,074 INFO L158 Benchmark]: TraceAbstraction took 1858.08ms. Allocated memory is still 199.2MB. Free memory was 140.5MB in the beginning and 105.1MB in the end (delta: 35.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,074 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 199.2MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 992.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:31,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.85ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 71.0MB in the beginning and 161.8MB in the end (delta: -90.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.37ms. Allocated memory is still 199.2MB. Free memory was 161.8MB in the beginning and 159.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.79ms. Allocated memory is still 199.2MB. Free memory was 159.8MB in the beginning and 157.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.33ms. Allocated memory is still 199.2MB. Free memory was 157.7MB in the beginning and 140.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1858.08ms. Allocated memory is still 199.2MB. Free memory was 140.5MB in the beginning and 105.1MB in the end (delta: 35.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 199.2MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 992.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short18 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] double var_1_10 = 25.7; [L31] double var_1_11 = 256.5; [L32] double var_1_12 = 0.0; [L33] double var_1_13 = 31.1; [L34] double var_1_14 = 256.6; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; VAL [isInitial=0, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=32, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=513/2, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L83] var_1_11 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=0, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=311/10, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L88] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=1283/5, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L89] var_1_14 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L90] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L92] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L93] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=0, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L41] COND FALSE !(stepLocal_0 > ((var_1_4 / -256) * 32)) [L48] var_1_5 = var_1_9 VAL [isInitial=1, stepLocal_0=0, var_1_10=257/10, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) VAL [isInitial=1, stepLocal_0=0, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L53] COND TRUE var_1_10 < 63.75 [L54] var_1_1 = (10 - var_1_3) VAL [isInitial=1, stepLocal_0=0, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) VAL [isInitial=1, stepLocal_0=0, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((double) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) VAL [isInitial=1, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L98-L99] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((double) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=519, var_1_12=521, var_1_13=518, var_1_14=520, var_1_15=8, var_1_16=30, var_1_1=10, var_1_3=0, var_1_4=-3, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 84 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:04:31,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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 58f9160d5aee9cc43b7c3e9a23be0e38f5b1f7b528eca50b07239bd3dfe5d081 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:33,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:34,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:04:34,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:34,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:34,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:34,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:34,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:34,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:34,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:34,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:34,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:34,108 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:34,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:34,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:34,111 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:34,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:34,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:34,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:34,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:34,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:34,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:34,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:34,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:34,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:34,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:34,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:34,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:34,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:34,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:34,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:34,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:34,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:34,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:34,120 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:34,120 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:34,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:34,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:34,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:34,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:34,122 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:34,123 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:34,123 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58f9160d5aee9cc43b7c3e9a23be0e38f5b1f7b528eca50b07239bd3dfe5d081 [2023-11-19 08:04:34,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:34,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:34,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:34,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:34,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:34,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:37,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:38,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:38,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:38,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/8f9f01bb1/d0a07a7379cd4d3195c1b74e4a7aa603/FLAG75a9628a1 [2023-11-19 08:04:38,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/data/8f9f01bb1/d0a07a7379cd4d3195c1b74e4a7aa603 [2023-11-19 08:04:38,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:38,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:38,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:38,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:38,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:38,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e369e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38, skipping insertion in model container [2023-11-19 08:04:38,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:38,551 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i[913,926] [2023-11-19 08:04:38,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:38,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:38,670 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_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-52.i[913,926] [2023-11-19 08:04:38,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:38,735 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:38,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38 WrapperNode [2023-11-19 08:04:38,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:38,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:38,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:38,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:38,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,817 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 08:04:38,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:38,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:38,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:38,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:38,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:38,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:38,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:38,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:38,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (1/1) ... [2023-11-19 08:04:38,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:38,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:04:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:04:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:04:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:39,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:39,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:46,725 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:46,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:46,735 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:46,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:46 BoogieIcfgContainer [2023-11-19 08:04:46,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:46,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:46,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:46,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:46,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:38" (1/3) ... [2023-11-19 08:04:46,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298bebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:46, skipping insertion in model container [2023-11-19 08:04:46,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:38" (2/3) ... [2023-11-19 08:04:46,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298bebc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:46, skipping insertion in model container [2023-11-19 08:04:46,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:46" (3/3) ... [2023-11-19 08:04:46,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-52.i [2023-11-19 08:04:46,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:46,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:46,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:46,849 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;@36ca2ef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:46,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:04:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 08:04:46,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:46,874 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:46,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:46,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1685718365, now seen corresponding path program 1 times [2023-11-19 08:04:46,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:46,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490862543] [2023-11-19 08:04:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:46,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:04:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:46,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:04:46,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:04:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:48,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:04:48,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-19 08:04:48,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:48,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:48,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490862543] [2023-11-19 08:04:48,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490862543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:48,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:48,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:04:48,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709470182] [2023-11-19 08:04:48,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:48,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:04:48,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:48,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:04:48,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:48,637 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:04:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:48,702 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2023-11-19 08:04:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:04:48,707 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2023-11-19 08:04:48,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:48,717 INFO L225 Difference]: With dead ends: 101 [2023-11-19 08:04:48,717 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 08:04:48,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:04:48,728 INFO L413 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:48,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 08:04:48,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 08:04:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:04:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2023-11-19 08:04:48,815 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 114 [2023-11-19 08:04:48,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:48,816 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2023-11-19 08:04:48,817 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-19 08:04:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-19 08:04:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 08:04:48,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:48,828 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:48,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:49,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:04:49,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:49,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:49,043 INFO L85 PathProgramCache]: Analyzing trace with hash 58718827, now seen corresponding path program 1 times [2023-11-19 08:04:49,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:49,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354551014] [2023-11-19 08:04:49,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:49,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:04:49,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:49,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:04:49,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1725657d-9d6b-4f99-a7d6-c29cec4cc39b/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:04:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:50,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 08:04:50,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:29,569 WARN L293 SmtUtils]: Spent 15.63s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)