./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/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 213a6773a680bcbd913164a5664bc5a26b44f83b15a409d83afc4623b719c3ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:47:13,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:47:13,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:47:13,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:47:13,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:47:13,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:47:13,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:47:13,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:47:13,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:47:13,781 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:47:13,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:47:13,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:47:13,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:47:13,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:47:13,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:47:13,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:47:13,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:47:13,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:47:13,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:47:13,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:47:13,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:47:13,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:47:13,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:47:13,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:47:13,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:47:13,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:47:13,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:47:13,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:47:13,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:47:13,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:47:13,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:47:13,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:47:13,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:47:13,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:47:13,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:47:13,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:47:13,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:47:13,787 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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/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 -> 213a6773a680bcbd913164a5664bc5a26b44f83b15a409d83afc4623b719c3ae [2024-11-13 15:47:14,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:47:14,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:47:14,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:47:14,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:47:14,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:47:14,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i Unable to find full path for "g++" [2024-11-13 15:47:16,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:47:16,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:47:16,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i [2024-11-13 15:47:16,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/data/982063755/162893b340c74cb0942aa3f7f96bd9ec/FLAGbc99ec28e [2024-11-13 15:47:16,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/data/982063755/162893b340c74cb0942aa3f7f96bd9ec [2024-11-13 15:47:16,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:47:16,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:47:16,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:47:16,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:47:16,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:47:16,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:47:16" (1/1) ... [2024-11-13 15:47:16,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424400db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:16, skipping insertion in model container [2024-11-13 15:47:16,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:47:16" (1/1) ... [2024-11-13 15:47:16,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:47:17,169 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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i[915,928] [2024-11-13 15:47:17,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:47:17,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:47:17,247 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_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-90.i[915,928] [2024-11-13 15:47:17,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:47:17,278 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:47:17,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17 WrapperNode [2024-11-13 15:47:17,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:47:17,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:47:17,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:47:17,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:47:17,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,325 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-13 15:47:17,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:47:17,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:47:17,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:47:17,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:47:17,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,358 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 15:47:17,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:47:17,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:47:17,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:47:17,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:47:17,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (1/1) ... [2024-11-13 15:47:17,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:47:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:47:17,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:47:17,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:47:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:47:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:47:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:47:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:47:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:47:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:47:17,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:47:17,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:47:17,763 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:47:17,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:47:17,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:47:17,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:47:17,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:17 BoogieIcfgContainer [2024-11-13 15:47:17,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:47:17,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:47:17,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:47:17,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:47:17,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:47:16" (1/3) ... [2024-11-13 15:47:17,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c938dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:47:17, skipping insertion in model container [2024-11-13 15:47:17,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:47:17" (2/3) ... [2024-11-13 15:47:17,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c938dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:47:17, skipping insertion in model container [2024-11-13 15:47:17,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:17" (3/3) ... [2024-11-13 15:47:17,789 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-90.i [2024-11-13 15:47:17,810 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:47:17,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-90.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:47:17,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:47:17,922 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;@6cf39f8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:47:17,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:47:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:47:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:47:17,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:17,943 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 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 15:47:17,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:17,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:17,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1021902360, now seen corresponding path program 1 times [2024-11-13 15:47:17,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:17,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555555403] [2024-11-13 15:47:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:47:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:47:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:47:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:47:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:47:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:47:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:47:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:47:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:47:19,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:19,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555555403] [2024-11-13 15:47:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555555403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:19,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:19,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:47:19,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115518852] [2024-11-13 15:47:19,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:19,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:47:19,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:19,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:47:19,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:19,233 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:19,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:19,605 INFO L93 Difference]: Finished difference Result 91 states and 150 transitions. [2024-11-13 15:47:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:47:19,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 54 [2024-11-13 15:47:19,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:19,623 INFO L225 Difference]: With dead ends: 91 [2024-11-13 15:47:19,623 INFO L226 Difference]: Without dead ends: 61 [2024-11-13 15:47:19,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:47:19,635 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 28 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:19,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 163 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:47:19,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-13 15:47:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51. [2024-11-13 15:47:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:47:19,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2024-11-13 15:47:19,716 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 54 [2024-11-13 15:47:19,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:19,719 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2024-11-13 15:47:19,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-11-13 15:47:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 15:47:19,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:19,723 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 15:47:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:47:19,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:19,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1667703825, now seen corresponding path program 1 times [2024-11-13 15:47:19,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:19,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556103939] [2024-11-13 15:47:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:47:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:47:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:47:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:47:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:47:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:47:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:47:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:47:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 15:47:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556103939] [2024-11-13 15:47:20,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556103939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:20,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:20,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:47:20,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985957075] [2024-11-13 15:47:20,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:20,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:47:20,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:20,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:47:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:47:20,292 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:20,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:20,514 INFO L93 Difference]: Finished difference Result 79 states and 105 transitions. [2024-11-13 15:47:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:47:20,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2024-11-13 15:47:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:20,518 INFO L225 Difference]: With dead ends: 79 [2024-11-13 15:47:20,522 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 15:47:20,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:20,523 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:20,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 112 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:47:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 15:47:20,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-13 15:47:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:47:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-11-13 15:47:20,556 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 55 [2024-11-13 15:47:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:20,557 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-11-13 15:47:20,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-11-13 15:47:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 15:47:20,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:20,566 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:20,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:47:20,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:20,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1988537600, now seen corresponding path program 1 times [2024-11-13 15:47:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:20,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749832480] [2024-11-13 15:47:20,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:47:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:47:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:47:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:47:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:47:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:47:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:47:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:47:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:47:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:47:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:47:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:47:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:47:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:47:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:47:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:47:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-11-13 15:47:21,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:21,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749832480] [2024-11-13 15:47:21,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749832480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:21,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:21,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:47:21,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441389704] [2024-11-13 15:47:21,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:21,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:47:21,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:47:21,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:47:21,224 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:21,390 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2024-11-13 15:47:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:47:21,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 105 [2024-11-13 15:47:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:21,395 INFO L225 Difference]: With dead ends: 58 [2024-11-13 15:47:21,395 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 15:47:21,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:47:21,399 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:21,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 147 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:47:21,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 15:47:21,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2024-11-13 15:47:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:47:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-11-13 15:47:21,428 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 105 [2024-11-13 15:47:21,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:21,430 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-11-13 15:47:21,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-11-13 15:47:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 15:47:21,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:21,433 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:21,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:47:21,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:21,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:21,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1568625193, now seen corresponding path program 1 times [2024-11-13 15:47:21,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:21,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386503729] [2024-11-13 15:47:21,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:21,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:47:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:47:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:47:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:47:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:47:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:47:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:47:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:47:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:47:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:47:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:47:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:47:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:47:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:47:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:47:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:47:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-11-13 15:47:22,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:22,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386503729] [2024-11-13 15:47:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386503729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:22,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:22,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:47:22,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518806566] [2024-11-13 15:47:22,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:22,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:47:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:22,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:47:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:22,140 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:22,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:22,334 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2024-11-13 15:47:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:47:22,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 106 [2024-11-13 15:47:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:22,341 INFO L225 Difference]: With dead ends: 58 [2024-11-13 15:47:22,341 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 15:47:22,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:47:22,343 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:22,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 170 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:47:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 15:47:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2024-11-13 15:47:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 15:47:22,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2024-11-13 15:47:22,363 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 106 [2024-11-13 15:47:22,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:22,364 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2024-11-13 15:47:22,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2024-11-13 15:47:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 15:47:22,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:22,366 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:22,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:47:22,366 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:22,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1570472235, now seen corresponding path program 1 times [2024-11-13 15:47:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138592511] [2024-11-13 15:47:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:47:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:47:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:47:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:47:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:47:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:47:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:47:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:47:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 15:47:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:47:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:47:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:47:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:47:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:47:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:47:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:47:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-11-13 15:47:22,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:22,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138592511] [2024-11-13 15:47:22,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138592511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:22,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:22,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:47:22,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019706626] [2024-11-13 15:47:22,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:22,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:47:22,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:22,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:47:22,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:22,859 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:23,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:23,032 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2024-11-13 15:47:23,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:47:23,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 106 [2024-11-13 15:47:23,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:23,034 INFO L225 Difference]: With dead ends: 53 [2024-11-13 15:47:23,034 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:47:23,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:47:23,035 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:23,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 159 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:47:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:47:23,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:47:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:47:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:47:23,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2024-11-13 15:47:23,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:23,040 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:47:23,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-13 15:47:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:47:23,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:47:23,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:47:23,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:47:23,047 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:47:23,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:47:23,095 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:47:23,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:47:23 BoogieIcfgContainer [2024-11-13 15:47:23,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:47:23,118 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:47:23,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:47:23,119 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:47:23,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:47:17" (3/4) ... [2024-11-13 15:47:23,122 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:47:23,127 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 15:47:23,134 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 15:47:23,135 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:47:23,135 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:47:23,135 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:47:23,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:47:23,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:47:23,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:47:23,242 INFO L158 Benchmark]: Toolchain (without parser) took 6329.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 264.6MB in the end (delta: -171.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-13 15:47:23,242 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:23,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.66ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:47:23,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.93ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:23,243 INFO L158 Benchmark]: Boogie Preprocessor took 42.88ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:47:23,243 INFO L158 Benchmark]: RCFGBuilder took 404.49ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 67.7MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:47:23,244 INFO L158 Benchmark]: TraceAbstraction took 5338.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.4MB in the beginning and 269.8MB in the end (delta: -202.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-13 15:47:23,244 INFO L158 Benchmark]: Witness Printer took 121.99ms. Allocated memory is still 352.3MB. Free memory was 269.8MB in the beginning and 264.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:47:23,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.66ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.93ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.88ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.49ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 67.7MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5338.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.4MB in the beginning and 269.8MB in the end (delta: -202.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 121.99ms. Allocated memory is still 352.3MB. Free memory was 269.8MB in the beginning and 264.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 583 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 168 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=1, InterpolantAutomatonStates: 32, 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, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1718/1718 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (last_1_var_1_1 == \old(last_1_var_1_1))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:47:23,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6561ef-a752-4fcf-9b29-f0d44cb21ef3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE