./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd --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 c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:34:13,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:34:13,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:34:13,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:34:13,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:34:13,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:34:13,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:34:13,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:34:13,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:34:13,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:34:13,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:34:13,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:34:13,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:34:13,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:34:13,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:34:13,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:34:13,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:34:13,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:34:13,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:34:13,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:34:13,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:34:13,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:34:13,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:34:13,992 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd 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 -> c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424 [2024-11-13 14:34:14,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:34:14,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:34:14,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:34:14,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:34:14,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:34:14,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i Unable to find full path for "g++" [2024-11-13 14:34:16,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:34:16,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:34:16,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i [2024-11-13 14:34:16,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/3305d7dec/f4b93ae6338545159d3f24da2af17b17/FLAG41e4154af [2024-11-13 14:34:16,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/3305d7dec/f4b93ae6338545159d3f24da2af17b17 [2024-11-13 14:34:16,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:34:16,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:34:16,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:34:16,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:34:16,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:34:16,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:34:16" (1/1) ... [2024-11-13 14:34:16,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204734cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:16, skipping insertion in model container [2024-11-13 14:34:16,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:34:16" (1/1) ... [2024-11-13 14:34:16,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:34:16,951 WARN L250 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926] [2024-11-13 14:34:17,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:34:17,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:34:17,066 WARN L250 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926] [2024-11-13 14:34:17,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:34:17,141 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:34:17,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17 WrapperNode [2024-11-13 14:34:17,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:34:17,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:34:17,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:34:17,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:34:17,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,189 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-13 14:34:17,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:34:17,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:34:17,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:34:17,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:34:17,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,202 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,216 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:34:17,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:34:17,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:34:17,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:34:17,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:34:17,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (1/1) ... [2024-11-13 14:34:17,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:34:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:17,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:34:17,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:34:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:34:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:34:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:34:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:34:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:34:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:34:17,396 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:34:17,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:34:17,758 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 14:34:17,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:34:17,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:34:17,774 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:34:17,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:17 BoogieIcfgContainer [2024-11-13 14:34:17,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:34:17,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:34:17,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:34:17,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:34:17,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:34:16" (1/3) ... [2024-11-13 14:34:17,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43248a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:17, skipping insertion in model container [2024-11-13 14:34:17,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:17" (2/3) ... [2024-11-13 14:34:17,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43248a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:17, skipping insertion in model container [2024-11-13 14:34:17,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:17" (3/3) ... [2024-11-13 14:34:17,794 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-85.i [2024-11-13 14:34:17,810 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:34:17,814 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:34:17,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:34:17,913 INFO L333 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, 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;@4ed2cceb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:34:17,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:34:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:34:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:17,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:17,931 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:17,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:17,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:17,939 INFO L85 PathProgramCache]: Analyzing trace with hash 385420893, now seen corresponding path program 1 times [2024-11-13 14:34:17,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768243933] [2024-11-13 14:34:17,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:34:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 14:34:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:34:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 14:34:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 14:34:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:34:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:34:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 14:34:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:34:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:34:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:34:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:34:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:34:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:34:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:34:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 14:34:18,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:18,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768243933] [2024-11-13 14:34:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768243933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:18,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:18,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:34:18,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505604360] [2024-11-13 14:34:18,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:18,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:34:18,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:34:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:34:18,433 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:34:18,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:18,459 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-13 14:34:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:34:18,461 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-13 14:34:18,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:18,468 INFO L225 Difference]: With dead ends: 101 [2024-11-13 14:34:18,468 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 14:34:18,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:34:18,475 INFO L432 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 [2024-11-13 14:34:18,476 INFO L433 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] [2024-11-13 14:34:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 14:34:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-13 14:34:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:34:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-13 14:34:18,519 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-13 14:34:18,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:18,520 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-13 14:34:18,520 INFO L472 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:34:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-13 14:34:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:18,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:18,524 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:18,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:34:18,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:18,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:18,526 INFO L85 PathProgramCache]: Analyzing trace with hash 804056871, now seen corresponding path program 1 times [2024-11-13 14:34:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:18,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076218533] [2024-11-13 14:34:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:34:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 14:34:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:34:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 14:34:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 14:34:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:34:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:34:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 14:34:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:34:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:34:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:34:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:34:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:34:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:34:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:34:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 14:34:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:20,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076218533] [2024-11-13 14:34:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076218533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:20,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:20,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:34:20,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656450044] [2024-11-13 14:34:20,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:20,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:20,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:20,260 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:20,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:20,878 INFO L93 Difference]: Finished difference Result 159 states and 233 transitions. [2024-11-13 14:34:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:34:20,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-13 14:34:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:20,881 INFO L225 Difference]: With dead ends: 159 [2024-11-13 14:34:20,881 INFO L226 Difference]: Without dead ends: 112 [2024-11-13 14:34:20,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:34:20,883 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 89 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:20,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 223 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:34:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-13 14:34:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2024-11-13 14:34:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 14:34:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2024-11-13 14:34:20,915 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 101 [2024-11-13 14:34:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:20,916 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2024-11-13 14:34:20,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2024-11-13 14:34:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:20,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:20,922 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:20,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:34:20,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:20,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1715903063, now seen corresponding path program 1 times [2024-11-13 14:34:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:20,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941179880] [2024-11-13 14:34:20,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:20,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:34:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 14:34:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:34:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 14:34:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 14:34:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:34:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:34:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 14:34:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:34:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:34:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:34:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:34:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:34:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:34:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:34:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 14:34:21,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:21,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941179880] [2024-11-13 14:34:21,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941179880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:21,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:21,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:34:21,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476665882] [2024-11-13 14:34:21,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:21,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:21,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:21,673 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:22,077 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2024-11-13 14:34:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:34:22,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-13 14:34:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:22,080 INFO L225 Difference]: With dead ends: 155 [2024-11-13 14:34:22,081 INFO L226 Difference]: Without dead ends: 102 [2024-11-13 14:34:22,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:34:22,082 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 56 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:22,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 219 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:34:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-13 14:34:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 88. [2024-11-13 14:34:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 14:34:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-13 14:34:22,148 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 101 [2024-11-13 14:34:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:22,149 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-13 14:34:22,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-13 14:34:22,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 14:34:22,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:22,155 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:22,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:34:22,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:22,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash -717709802, now seen corresponding path program 1 times [2024-11-13 14:34:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:22,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659691174] [2024-11-13 14:34:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:22,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:34:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 14:34:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 14:34:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 14:34:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 14:34:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 14:34:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 14:34:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 14:34:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:34:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:34:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:34:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:34:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 14:34:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 14:34:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 14:34:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 14:34:23,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:34:23,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659691174] [2024-11-13 14:34:23,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659691174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:34:23,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591776667] [2024-11-13 14:34:23,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:23,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:23,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:23,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:23,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:34:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:23,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:34:23,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-13 14:34:23,589 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 14:34:23,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591776667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:23,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:34:23,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2024-11-13 14:34:23,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158792420] [2024-11-13 14:34:23,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:23,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:34:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:34:23,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:34:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:34:23,918 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-13 14:34:25,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:25,651 INFO L93 Difference]: Finished difference Result 242 states and 337 transitions. [2024-11-13 14:34:25,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 14:34:25,652 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 102 [2024-11-13 14:34:25,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:25,654 INFO L225 Difference]: With dead ends: 242 [2024-11-13 14:34:25,655 INFO L226 Difference]: Without dead ends: 193 [2024-11-13 14:34:25,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=345, Invalid=1215, Unknown=0, NotChecked=0, Total=1560 [2024-11-13 14:34:25,659 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 371 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:25,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 473 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:34:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-13 14:34:25,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 98. [2024-11-13 14:34:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 63 states have internal predecessors, (76), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 14:34:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-13 14:34:25,728 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 102 [2024-11-13 14:34:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:25,730 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-13 14:34:25,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-13 14:34:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-13 14:34:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 14:34:25,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:25,736 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:25,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:34:25,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:25,937 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash -37651432, now seen corresponding path program 1 times [2024-11-13 14:34:25,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:34:25,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836540142] [2024-11-13 14:34:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:34:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:34:26,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627048805] [2024-11-13 14:34:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:26,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:26,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:26,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:34:26,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:34:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:34:26,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:34:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:34:26,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:34:26,504 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:34:26,505 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:34:26,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:34:26,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:34:26,710 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:34:26,821 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:34:26,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:34:26 BoogieIcfgContainer [2024-11-13 14:34:26,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:34:26,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:34:26,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:34:26,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:34:26,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:17" (3/4) ... [2024-11-13 14:34:26,832 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:34:26,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:34:26,834 INFO L158 Benchmark]: Toolchain (without parser) took 10105.95ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 94.8MB in the beginning and 65.8MB in the end (delta: 29.0MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-13 14:34:26,835 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:34:26,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.31ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 81.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:34:26,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:34:26,838 INFO L158 Benchmark]: Boogie Preprocessor took 46.07ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 74.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:34:26,840 INFO L158 Benchmark]: RCFGBuilder took 539.22ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 55.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:34:26,840 INFO L158 Benchmark]: TraceAbstraction took 9047.93ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.6MB in the beginning and 67.3MB in the end (delta: -11.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-13 14:34:26,840 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:34:26,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.31ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 81.0MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.07ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 74.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.22ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 55.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9047.93ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.6MB in the beginning and 67.3MB in the end (delta: -11.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] unsigned long int last_1_var_1_1 = 1000; [L39] unsigned char last_1_var_1_5 = 1; [L40] unsigned long int last_1_var_1_12 = 128; [L41] unsigned char last_1_var_1_13 = 16; [L42] unsigned long int last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L111] last_1_var_1_1 = var_1_1 [L112] last_1_var_1_5 = var_1_5 [L113] last_1_var_1_12 = var_1_12 [L114] last_1_var_1_13 = var_1_13 [L115] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L86] var_1_6 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L89] var_1_8 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L90] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L92] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=32] [L93] var_1_9 = __VERIFIER_nondet_ulong() [L94] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L94] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L95] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L95] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34] [L96] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L96] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L97] var_1_11 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L98] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L99] var_1_14 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L100] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L101] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L102] var_1_17 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L103] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L104] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L105] var_1_19 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L106] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L107] var_1_20 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L108] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L126] RET updateVariables() [L127] CALL step() [L46] signed long int stepLocal_1 = last_1_var_1_13; [L47] signed long int stepLocal_0 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L48] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L49] COND TRUE \read(last_1_var_1_5) [L50] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L59] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_2=1008, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L60] COND TRUE last_1_var_1_13 <= stepLocal_2 [L61] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L65] unsigned char stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_3=0, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L66] COND FALSE !(stepLocal_3 || var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L69] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L70] var_1_16 = (var_1_6 && var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L71] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=34, var_1_9=1] [L74] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L79] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L81] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L82] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L127] RET step() [L128] CALL, EXPR property() [L118-L119] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=254, var_1_14=254, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=34, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 730 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 561 IncrementalHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 258 mSDtfsCounter, 561 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 340 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 133 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 603 ConstructedInterpolants, 0 QuantifiedInterpolants, 3246 SizeOfPredicates, 3 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 2502/2520 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 [2024-11-13 14:34:26,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd --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 c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:34:29,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:34:29,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:34:29,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:34:29,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:34:29,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:34:29,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:34:29,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:34:29,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:34:29,757 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:34:29,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:34:29,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:34:29,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:34:29,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:34:29,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:34:29,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:34:29,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:34:29,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:34:29,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:34:29,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:34:29,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:34:29,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:34:29,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:34:29,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:34:29,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:34:29,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:34:29,765 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd 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 -> c060c00346e1591ea2cd610d4a2b6cad35d564494a5a2cb9d3710997ed918424 [2024-11-13 14:34:30,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:34:30,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:34:30,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:34:30,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:34:30,098 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:34:30,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i Unable to find full path for "g++" [2024-11-13 14:34:32,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:34:32,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:34:32,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i [2024-11-13 14:34:32,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/1f9917aa5/2e1ad7b07f2c473e9eeda3e588d22099/FLAGcd98d126a [2024-11-13 14:34:32,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/data/1f9917aa5/2e1ad7b07f2c473e9eeda3e588d22099 [2024-11-13 14:34:32,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:34:32,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:34:32,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:34:32,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:34:32,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:34:32,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74011ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32, skipping insertion in model container [2024-11-13 14:34:32,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:34:32,536 WARN L250 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926] [2024-11-13 14:34:32,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:34:32,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:34:32,622 WARN L250 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_a4833d18-d0bb-4331-aa88-765ccabd67ba/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-85.i[913,926] [2024-11-13 14:34:32,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:34:32,676 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:34:32,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32 WrapperNode [2024-11-13 14:34:32,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:34:32,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:34:32,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:34:32,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:34:32,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,721 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-13 14:34:32,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:34:32,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:34:32,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:34:32,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:34:32,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,748 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:34:32,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:34:32,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:34:32,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:34:32,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:34:32,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (1/1) ... [2024-11-13 14:34:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:34:32,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:34:32,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:34:32,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:34:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:34:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:34:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:34:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:34:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:34:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:34:32,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:34:32,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:34:35,888 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 14:34:35,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:34:35,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:34:35,899 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:34:35,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:35 BoogieIcfgContainer [2024-11-13 14:34:35,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:34:35,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:34:35,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:34:35,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:34:35,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:34:32" (1/3) ... [2024-11-13 14:34:35,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb6c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:35, skipping insertion in model container [2024-11-13 14:34:35,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:34:32" (2/3) ... [2024-11-13 14:34:35,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb6c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:34:35, skipping insertion in model container [2024-11-13 14:34:35,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:34:35" (3/3) ... [2024-11-13 14:34:35,915 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-85.i [2024-11-13 14:34:35,933 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:34:35,935 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:34:36,036 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:34:36,055 INFO L333 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, 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;@2ddaedca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:34:36,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:34:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:34:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:36,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:36,073 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:36,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:36,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash 385420893, now seen corresponding path program 1 times [2024-11-13 14:34:36,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:34:36,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182599910] [2024-11-13 14:34:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:36,091 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 [2024-11-13 14:34:36,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:34:36,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:34:36,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:34:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:36,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:34:36,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-13 14:34:36,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:34:36,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:34:36,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182599910] [2024-11-13 14:34:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182599910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:36,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:36,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:34:36,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866191902] [2024-11-13 14:34:36,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:34:36,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:34:36,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:34:36,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:34:36,654 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:34:36,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:36,676 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-13 14:34:36,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:34:36,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-13 14:34:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:36,684 INFO L225 Difference]: With dead ends: 101 [2024-11-13 14:34:36,685 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 14:34:36,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:34:36,691 INFO L432 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 [2024-11-13 14:34:36,692 INFO L433 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] [2024-11-13 14:34:36,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 14:34:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-13 14:34:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:34:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-13 14:34:36,739 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-13 14:34:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:36,739 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-13 14:34:36,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 14:34:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-13 14:34:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 14:34:36,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:36,744 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:36,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 14:34:36,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:34:36,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:36,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:36,946 INFO L85 PathProgramCache]: Analyzing trace with hash 804056871, now seen corresponding path program 1 times [2024-11-13 14:34:36,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:34:36,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629965558] [2024-11-13 14:34:36,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:36,947 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 [2024-11-13 14:34:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:34:36,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:34:36,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:34:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:37,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:34:37,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 14:34:38,298 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:34:38,298 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:34:38,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629965558] [2024-11-13 14:34:38,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629965558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:34:38,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:34:38,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:34:38,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406487498] [2024-11-13 14:34:38,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:34:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:34:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:34:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:34:38,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:34:38,302 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:41,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 14:34:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:41,401 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-11-13 14:34:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:34:41,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-13 14:34:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:41,427 INFO L225 Difference]: With dead ends: 97 [2024-11-13 14:34:41,427 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 14:34:41,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:34:41,429 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:41,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 100 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 14:34:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 14:34:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-13 14:34:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 14:34:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-13 14:34:41,453 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 101 [2024-11-13 14:34:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:41,454 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-13 14:34:41,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-13 14:34:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-13 14:34:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 14:34:41,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:41,461 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:41,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 14:34:41,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:34:41,661 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:41,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:41,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1802250132, now seen corresponding path program 1 times [2024-11-13 14:34:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:34:41,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686415123] [2024-11-13 14:34:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:41,663 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 [2024-11-13 14:34:41,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:34:41,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:34:41,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 14:34:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:42,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 14:34:42,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:34:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-13 14:34:44,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:34:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 14:34:45,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:34:45,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686415123] [2024-11-13 14:34:45,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686415123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:34:45,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:34:45,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2024-11-13 14:34:45,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961174497] [2024-11-13 14:34:45,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:34:45,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:34:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:34:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:34:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:34:45,516 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-13 14:34:49,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 14:34:53,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 14:34:53,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:34:53,618 INFO L93 Difference]: Finished difference Result 207 states and 298 transitions. [2024-11-13 14:34:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 14:34:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 102 [2024-11-13 14:34:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:34:53,621 INFO L225 Difference]: With dead ends: 207 [2024-11-13 14:34:53,621 INFO L226 Difference]: Without dead ends: 160 [2024-11-13 14:34:53,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:34:53,623 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 362 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:34:53,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 401 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-13 14:34:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-13 14:34:53,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124. [2024-11-13 14:34:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-13 14:34:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2024-11-13 14:34:53,664 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 102 [2024-11-13 14:34:53,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:34:53,665 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2024-11-13 14:34:53,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-13 14:34:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2024-11-13 14:34:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 14:34:53,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:34:53,667 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:34:53,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:34:53,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:34:53,870 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:34:53,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:34:53,870 INFO L85 PathProgramCache]: Analyzing trace with hash -37651432, now seen corresponding path program 1 times [2024-11-13 14:34:53,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:34:53,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955151539] [2024-11-13 14:34:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:34:53,871 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 [2024-11-13 14:34:53,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:34:53,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:34:53,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4833d18-d0bb-4331-aa88-765ccabd67ba/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 14:34:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:34:54,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 14:34:54,251 INFO L278 TraceCheckSpWp]: Computing forward predicates...