./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.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_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 2015d37ef3c12f799914a1d5573231d07895302eda54efaaedb57c9454a76b5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:02:21,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:02:22,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:02:22,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:02:22,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:02:22,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:02:22,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:02:22,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:02:22,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:02:22,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:02:22,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:02:22,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:02:22,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:02:22,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:02:22,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:02:22,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:02:22,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:02:22,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:02:22,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:02:22,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:02:22,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:22,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:02:22,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:02:22,065 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 -> 2015d37ef3c12f799914a1d5573231d07895302eda54efaaedb57c9454a76b5a [2024-11-13 16:02:22,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:02:22,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:02:22,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:02:22,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:02:22,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:02:22,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i Unable to find full path for "g++" [2024-11-13 16:02:24,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:02:24,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:02:24,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i [2024-11-13 16:02:24,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/cd61c5ffe/ac0ff3640ae0462e9d9c3db98f55179e/FLAG00dc0da23 [2024-11-13 16:02:24,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/cd61c5ffe/ac0ff3640ae0462e9d9c3db98f55179e [2024-11-13 16:02:24,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:02:24,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:02:24,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:24,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:02:24,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:02:24,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:24" (1/1) ... [2024-11-13 16:02:24,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1107d91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:24, skipping insertion in model container [2024-11-13 16:02:24,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:24" (1/1) ... [2024-11-13 16:02:24,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:02:25,107 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i[917,930] [2024-11-13 16:02:25,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:25,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:02:25,262 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i[917,930] [2024-11-13 16:02:25,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:25,354 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:02:25,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25 WrapperNode [2024-11-13 16:02:25,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:25,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:25,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:02:25,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:02:25,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,446 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2024-11-13 16:02:25,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:25,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:02:25,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:02:25,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:02:25,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,525 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 16:02:25,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:02:25,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:02:25,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:02:25,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:02:25,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (1/1) ... [2024-11-13 16:02:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:02:25,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:02:25,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:02:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:02:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:02:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:02:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:02:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:02:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:02:25,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:02:25,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:02:26,434 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 16:02:26,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:02:26,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:02:26,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:02:26,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:26 BoogieIcfgContainer [2024-11-13 16:02:26,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:02:26,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:02:26,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:02:26,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:02:26,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:24" (1/3) ... [2024-11-13 16:02:26,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae597c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:26, skipping insertion in model container [2024-11-13 16:02:26,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:25" (2/3) ... [2024-11-13 16:02:26,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae597c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:26, skipping insertion in model container [2024-11-13 16:02:26,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:26" (3/3) ... [2024-11-13 16:02:26,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-78.i [2024-11-13 16:02:26,485 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:02:26,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-78.i that has 2 procedures, 83 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:02:26,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:02:26,587 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;@4906598b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:02:26,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:02:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 16:02:26,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:26,611 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:26,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:26,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:26,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1816577266, now seen corresponding path program 1 times [2024-11-13 16:02:26,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:26,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914694277] [2024-11-13 16:02:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:26,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:02:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:02:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:02:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:02:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:02:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:02:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:02:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:02:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:02:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:02:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:02:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:02:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:02:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:02:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:02:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:02:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:02:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 16:02:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 16:02:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 16:02:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 16:02:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:02:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:02:28,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:28,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914694277] [2024-11-13 16:02:28,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914694277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:28,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:28,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:02:28,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343155519] [2024-11-13 16:02:28,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:28,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:02:28,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:02:28,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:02:28,459 INFO L87 Difference]: Start difference. First operand has 83 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:02:28,733 INFO L93 Difference]: Finished difference Result 161 states and 272 transitions. [2024-11-13 16:02:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:02:28,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2024-11-13 16:02:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:02:28,749 INFO L225 Difference]: With dead ends: 161 [2024-11-13 16:02:28,749 INFO L226 Difference]: Without dead ends: 81 [2024-11-13 16:02:28,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:02:28,759 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 45 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:02:28,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 231 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:02:28,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-13 16:02:28,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2024-11-13 16:02:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2024-11-13 16:02:28,834 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 145 [2024-11-13 16:02:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:02:28,839 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2024-11-13 16:02:28,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:28,849 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2024-11-13 16:02:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-13 16:02:28,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:28,860 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:28,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:02:28,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:28,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:28,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2088086189, now seen corresponding path program 1 times [2024-11-13 16:02:28,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:28,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825417961] [2024-11-13 16:02:28,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:02:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:02:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:02:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:02:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:02:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:02:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:02:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:02:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:02:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:02:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:02:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:02:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:02:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:02:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:02:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:02:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:02:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 16:02:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 16:02:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 16:02:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 16:02:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:02:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:02:29,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:29,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825417961] [2024-11-13 16:02:29,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825417961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:29,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:29,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:02:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802843686] [2024-11-13 16:02:29,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:29,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:02:29,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:29,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:02:29,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:02:29,586 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:29,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:02:29,822 INFO L93 Difference]: Finished difference Result 159 states and 238 transitions. [2024-11-13 16:02:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:02:29,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-11-13 16:02:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:02:29,825 INFO L225 Difference]: With dead ends: 159 [2024-11-13 16:02:29,825 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 16:02:29,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:02:29,827 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 53 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:02:29,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 185 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:02:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 16:02:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-13 16:02:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 57 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 120 transitions. [2024-11-13 16:02:29,840 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 120 transitions. Word has length 147 [2024-11-13 16:02:29,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:02:29,841 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 120 transitions. [2024-11-13 16:02:29,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:29,842 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2024-11-13 16:02:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 16:02:29,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:29,844 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:29,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:02:29,845 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:29,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:29,845 INFO L85 PathProgramCache]: Analyzing trace with hash -393522877, now seen corresponding path program 1 times [2024-11-13 16:02:29,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:29,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895168570] [2024-11-13 16:02:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:02:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:02:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:02:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:02:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:02:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:02:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:02:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:02:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:02:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:02:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 16:02:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:02:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:02:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:02:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 16:02:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 16:02:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 16:02:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 16:02:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 16:02:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 16:02:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 16:02:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:02:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:02:30,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:02:30,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895168570] [2024-11-13 16:02:30,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895168570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:30,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:30,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:02:30,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243251574] [2024-11-13 16:02:30,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:30,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:02:30,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:02:30,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:02:30,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:02:30,261 INFO L87 Difference]: Start difference. First operand 81 states and 120 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:30,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:02:30,475 INFO L93 Difference]: Finished difference Result 195 states and 290 transitions. [2024-11-13 16:02:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:02:30,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-11-13 16:02:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:02:30,481 INFO L225 Difference]: With dead ends: 195 [2024-11-13 16:02:30,485 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 16:02:30,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:02:30,487 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 96 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:02:30,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 193 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:02:30,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 16:02:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 101. [2024-11-13 16:02:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2024-11-13 16:02:30,511 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 148 [2024-11-13 16:02:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:02:30,517 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2024-11-13 16:02:30,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2024-11-13 16:02:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 16:02:30,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:30,524 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:30,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:02:30,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:30,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1211171327, now seen corresponding path program 1 times [2024-11-13 16:02:30,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:02:30,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262986728] [2024-11-13 16:02:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:02:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:02:30,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125253544] [2024-11-13 16:02:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:30,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:02:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:02:30,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:02:30,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:02:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:02:30,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:02:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:02:31,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:02:31,196 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:02:31,197 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:02:31,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:02:31,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:02:31,402 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 16:02:31,535 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:02:31,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:02:31 BoogieIcfgContainer [2024-11-13 16:02:31,542 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:02:31,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:02:31,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:02:31,544 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:02:31,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:26" (3/4) ... [2024-11-13 16:02:31,547 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:02:31,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:02:31,552 INFO L158 Benchmark]: Toolchain (without parser) took 6709.33ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 91.6MB in the beginning and 86.5MB in the end (delta: 5.1MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-13 16:02:31,552 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:31,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.89ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:02:31,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.71ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 70.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:31,555 INFO L158 Benchmark]: Boogie Preprocessor took 134.79ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 60.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:02:31,555 INFO L158 Benchmark]: RCFGBuilder took 868.00ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 83.8MB in the end (delta: -23.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 16:02:31,556 INFO L158 Benchmark]: TraceAbstraction took 5084.84ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 83.8MB in the beginning and 86.5MB in the end (delta: -2.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-13 16:02:31,556 INFO L158 Benchmark]: Witness Printer took 7.58ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 86.5MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:02:31,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.89ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 76.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.71ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 70.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 134.79ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 60.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 868.00ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 83.8MB in the end (delta: -23.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5084.84ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 83.8MB in the beginning and 86.5MB in the end (delta: -2.8MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Witness Printer took 7.58ms. Allocated memory is still 159.4MB. Free memory was 86.5MB in the beginning and 86.5MB in the end (delta: 9.2kB). 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 someBinaryArithmeticDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] signed long int var_1_2 = 0; [L24] unsigned char var_1_3 = 64; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 2; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 8; [L29] double var_1_8 = 1.875; [L30] signed long int var_1_9 = -4; [L31] double var_1_10 = 63.5; [L32] double var_1_11 = 255.375; [L33] double var_1_12 = 999999999.525; [L34] double var_1_13 = 63.75; [L35] double var_1_14 = 0.625; [L36] unsigned short int var_1_15 = 5; [L37] signed char var_1_16 = 4; [L38] signed char var_1_17 = 0; [L39] signed char var_1_18 = -2; [L40] signed char var_1_19 = 1; [L41] unsigned short int var_1_20 = 50; [L42] unsigned short int var_1_21 = 0; VAL [isInitial=0, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] FCALL updateLastVariables() [L125] CALL updateVariables() [L78] var_1_2 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_2 >= -2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L79] RET assume_abort_if_not(var_1_2 >= -2147483646) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L80] CALL assume_abort_if_not(var_1_2 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L80] RET assume_abort_if_not(var_1_2 <= 2147483646) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L81] var_1_4 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L83] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L83] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=2, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L84] var_1_5 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L86] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L86] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=8, var_1_8=15/8, var_1_9=-4] [L87] var_1_7 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L88] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L89] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=-4] [L89] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=-4] [L90] var_1_9 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L91] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L92] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L93] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L93] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L94] var_1_10 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L95] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L96] var_1_11 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L97] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L98] var_1_12 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L99] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L100] var_1_13 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L101] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L102] var_1_14 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L103] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L104] var_1_17 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L105] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L106] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L107] var_1_18 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L108] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L109] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L110] var_1_19 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L111] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L112] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L112] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L125] RET updateVariables() [L126] CALL step() [L46] var_1_1 = ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))) [L47] signed long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L48] COND FALSE !(var_1_1 < stepLocal_0) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L51] EXPR var_1_2 ^ var_1_1 VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L51] signed long int stepLocal_2 = var_1_2 ^ var_1_1; [L52] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, stepLocal_1=1, stepLocal_2=0, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L53] COND FALSE !(stepLocal_2 < -256) VAL [isInitial=1, stepLocal_1=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=10, var_1_7=0, var_1_8=15/8, var_1_9=32] [L56] COND TRUE stepLocal_1 <= 50 [L57] var_1_6 = var_1_3 VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_8=15/8, var_1_9=32] [L60] COND TRUE var_1_1 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9)))) [L61] var_1_8 = ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)) VAL [isInitial=1, var_1_15=5, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L67] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_1 [L68] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) VAL [isInitial=1, var_1_15=66, var_1_16=4, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=50, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L70] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L71] var_1_20 = (((((var_1_5 + var_1_3)) > (var_1_4)) ? ((var_1_5 + var_1_3)) : (var_1_4))) [L72] signed char stepLocal_3 = var_1_16; VAL [isInitial=1, stepLocal_3=0, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L73] EXPR (var_1_2 * var_1_17) & (var_1_15 * var_1_18) VAL [isInitial=1, stepLocal_3=0, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=0, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L73] COND TRUE stepLocal_3 == ((var_1_2 * var_1_17) & (var_1_15 * var_1_18)) [L74] var_1_21 = (var_1_4 + 128) VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L126] RET step() [L127] CALL, EXPR property() [L117] EXPR ((var_1_1 == ((signed long int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) && ((var_1_1 < var_1_2) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((var_1_2 ^ var_1_1) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) var_1_3)) : 1)) VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L117] EXPR var_1_2 ^ var_1_1 VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L117] EXPR ((var_1_1 == ((signed long int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) && ((var_1_1 < var_1_2) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((var_1_2 ^ var_1_1) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) var_1_3)) : 1)) VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L117] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) && ((var_1_1 < var_1_2) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((var_1_2 ^ var_1_1) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) var_1_3)) : 1))) && ((var_1_1 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_1) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_3)) > (var_1_4)) ? ((var_1_5 + var_1_3)) : (var_1_4)))))) && ((var_1_16 == ((var_1_2 * var_1_17) & (var_1_15 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L117-L118] return (((((((var_1_1 == ((signed long int) ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2))))) && ((var_1_1 < var_1_2) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((var_1_2 ^ var_1_1) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((var_1_3 + var_1_7))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((var_1_3 + var_1_7)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) var_1_3)) : 1))) && ((var_1_1 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_1) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_3)) > (var_1_4)) ? ((var_1_5 + var_1_3)) : (var_1_4)))))) && ((var_1_16 == ((var_1_2 * var_1_17) & (var_1_15 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] [L19] reach_error() VAL [isInitial=1, var_1_15=66, var_1_16=0, var_1_17=-32, var_1_18=32, var_1_19=0, var_1_1=0, var_1_20=65, var_1_21=193, var_1_2=0, var_1_3=64, var_1_4=65, var_1_5=1, var_1_6=64, var_1_7=0, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 609 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 285 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 736 NumberOfCodeBlocks, 736 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2772/2772 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 16:02:31,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 2015d37ef3c12f799914a1d5573231d07895302eda54efaaedb57c9454a76b5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:02:34,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:02:34,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:02:34,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:02:34,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:02:34,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:02:34,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:02:34,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:02:34,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:02:34,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:02:34,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:02:34,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:02:34,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:02:34,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:02:34,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:02:34,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:02:34,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:02:34,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:02:34,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:02:34,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:02:34,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:02:34,780 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:02:34,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:02:34,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:02:34,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:02:34,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:02:34,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:02:34,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:02:34,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:02:34,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:34,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:02:34,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:02:34,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:02:34,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:02:34,783 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 -> 2015d37ef3c12f799914a1d5573231d07895302eda54efaaedb57c9454a76b5a [2024-11-13 16:02:35,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:02:35,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:02:35,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:02:35,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:02:35,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:02:35,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i Unable to find full path for "g++" [2024-11-13 16:02:37,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:02:37,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:02:37,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i [2024-11-13 16:02:37,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/013c2d107/ebec47d9df644f249417e75b4c0b5cca/FLAG1b9fade5e [2024-11-13 16:02:37,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/data/013c2d107/ebec47d9df644f249417e75b4c0b5cca [2024-11-13 16:02:37,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:02:37,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:02:37,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:37,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:02:37,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:02:37,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:37,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6948bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37, skipping insertion in model container [2024-11-13 16:02:37,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:37,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:02:37,712 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i[917,930] [2024-11-13 16:02:37,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:37,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:02:37,860 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_3433bd02-5854-4fc2-844b-7e5b741fcc01/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-78.i[917,930] [2024-11-13 16:02:37,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:02:37,947 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:02:37,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37 WrapperNode [2024-11-13 16:02:37,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:02:37,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:37,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:02:37,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:02:37,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:37,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,015 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-11-13 16:02:38,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:02:38,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:02:38,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:02:38,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:02:38,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,058 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 16:02:38,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:02:38,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:02:38,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:02:38,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:02:38,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (1/1) ... [2024-11-13 16:02:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:02:38,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:02:38,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:02:38,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:02:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:02:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:02:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:02:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:02:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:02:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:02:38,300 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:02:38,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:02:47,170 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 16:02:47,170 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:02:47,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:02:47,181 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:02:47,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:47 BoogieIcfgContainer [2024-11-13 16:02:47,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:02:47,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:02:47,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:02:47,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:02:47,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:37" (1/3) ... [2024-11-13 16:02:47,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6274a9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:47, skipping insertion in model container [2024-11-13 16:02:47,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:37" (2/3) ... [2024-11-13 16:02:47,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6274a9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:47, skipping insertion in model container [2024-11-13 16:02:47,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:47" (3/3) ... [2024-11-13 16:02:47,194 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-78.i [2024-11-13 16:02:47,211 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:02:47,213 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-78.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:02:47,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:02:47,298 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;@73206a72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:02:47,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:02:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 16:02:47,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:47,322 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:47,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:47,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:47,329 INFO L85 PathProgramCache]: Analyzing trace with hash -394200328, now seen corresponding path program 1 times [2024-11-13 16:02:47,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:02:47,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123945064] [2024-11-13 16:02:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:47,340 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 16:02:47,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:02:47,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:47,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:47,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:02:47,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:02:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 16:02:47,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:02:47,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:02:47,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123945064] [2024-11-13 16:02:47,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123945064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:47,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:47,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:02:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418240547] [2024-11-13 16:02:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:47,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:02:47,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:02:47,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:02:47,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:02:47,939 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:02:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:02:47,978 INFO L93 Difference]: Finished difference Result 119 states and 204 transitions. [2024-11-13 16:02:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:02:47,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2024-11-13 16:02:47,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:02:47,991 INFO L225 Difference]: With dead ends: 119 [2024-11-13 16:02:47,991 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 16:02:47,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 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 16:02:48,000 INFO L432 NwaCegarLoop]: 87 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, 87 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 16:02:48,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:02:48,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 16:02:48,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 16:02:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-13 16:02:48,045 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 139 [2024-11-13 16:02:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:02:48,047 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-13 16:02:48,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 16:02:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-13 16:02:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 16:02:48,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:48,054 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:48,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:48,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:48,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:48,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:48,256 INFO L85 PathProgramCache]: Analyzing trace with hash 119614060, now seen corresponding path program 1 times [2024-11-13 16:02:48,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:02:48,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829803318] [2024-11-13 16:02:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:48,258 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 16:02:48,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:02:48,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:48,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:48,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:02:48,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:02:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:02:49,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:02:49,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:02:49,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829803318] [2024-11-13 16:02:49,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829803318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:49,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:49,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:02:49,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092298123] [2024-11-13 16:02:49,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:49,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:02:49,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:02:49,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:02:49,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:02:49,046 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:50,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:02:54,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:02:54,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:02:54,063 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2024-11-13 16:02:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:02:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2024-11-13 16:02:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:02:54,093 INFO L225 Difference]: With dead ends: 115 [2024-11-13 16:02:54,093 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 16:02:54,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:02:54,094 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:02:54,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 16:02:54,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 16:02:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 16:02:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:02:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2024-11-13 16:02:54,109 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 139 [2024-11-13 16:02:54,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:02:54,112 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2024-11-13 16:02:54,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2024-11-13 16:02:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 16:02:54,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:02:54,117 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:54,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:54,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:54,318 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:02:54,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:02:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 820678638, now seen corresponding path program 1 times [2024-11-13 16:02:54,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:02:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837903096] [2024-11-13 16:02:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:02:54,319 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 16:02:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:02:54,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:02:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:02:54,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:02:54,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:02:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 16:02:55,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:02:55,440 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:02:55,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837903096] [2024-11-13 16:02:55,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837903096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:02:55,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:02:55,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:02:55,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226811122] [2024-11-13 16:02:55,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:02:55,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:02:55,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:02:55,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:02:55,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:02:55,442 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:02:59,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:03:02,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:03:03,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:03:03,992 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2024-11-13 16:03:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:03:03,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2024-11-13 16:03:03,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:03:03,995 INFO L225 Difference]: With dead ends: 169 [2024-11-13 16:03:03,996 INFO L226 Difference]: Without dead ends: 113 [2024-11-13 16:03:03,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:03:03,997 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:03:03,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 388 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-13 16:03:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-13 16:03:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 62. [2024-11-13 16:03:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 16:03:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-11-13 16:03:04,015 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 139 [2024-11-13 16:03:04,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:03:04,016 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-11-13 16:03:04,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 16:03:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-13 16:03:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 16:03:04,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:03:04,019 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:04,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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)] Ended with exit code 0 [2024-11-13 16:03:04,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:03:04,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:03:04,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:03:04,220 INFO L85 PathProgramCache]: Analyzing trace with hash 914680924, now seen corresponding path program 1 times [2024-11-13 16:03:04,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:03:04,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961552665] [2024-11-13 16:03:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:03:04,222 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 16:03:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:03:04,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:03:04,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3433bd02-5854-4fc2-844b-7e5b741fcc01/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 16:03:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:03:05,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:03:05,052 INFO L278 TraceCheckSpWp]: Computing forward predicates...