./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.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_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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_1a852384-2253-4def-8e0b-fa817f8a1b14/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 127e3a0cb76048ef1bf90b67c9d3d0888a5502aaa9e60e916cbe6b2df2fd80c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:18,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:18,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:48:18,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:18,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:18,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:18,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:18,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:18,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:18,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:18,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:18,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:18,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:18,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:18,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:18,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:18,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:18,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:18,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:48:18,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:18,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:18,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:18,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:18,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:18,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:18,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:18,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:18,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:18,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:18,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:18,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:18,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:18,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:18,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:18,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:18,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:18,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:18,614 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_1a852384-2253-4def-8e0b-fa817f8a1b14/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 -> 127e3a0cb76048ef1bf90b67c9d3d0888a5502aaa9e60e916cbe6b2df2fd80c6 [2024-11-13 13:48:19,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:19,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:19,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:19,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:19,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:19,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i Unable to find full path for "g++" [2024-11-13 13:48:21,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:21,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:21,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i [2024-11-13 13:48:21,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/de9b53df6/a80c1b74b76c4cce8749a8c7150e69e2/FLAG60775da33 [2024-11-13 13:48:21,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/de9b53df6/a80c1b74b76c4cce8749a8c7150e69e2 [2024-11-13 13:48:21,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:21,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:21,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:21,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:21,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:21,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:21" (1/1) ... [2024-11-13 13:48:21,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:21, skipping insertion in model container [2024-11-13 13:48:21,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:21" (1/1) ... [2024-11-13 13:48:21,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:22,009 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_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i[915,928] [2024-11-13 13:48:22,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:22,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:22,103 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_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i[915,928] [2024-11-13 13:48:22,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:22,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:22,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22 WrapperNode [2024-11-13 13:48:22,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:22,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:22,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:22,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:22,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,224 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2024-11-13 13:48:22,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:22,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:22,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:22,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:22,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,273 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 13:48:22,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:22,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:22,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:22,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:22,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (1/1) ... [2024-11-13 13:48:22,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:22,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:22,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:22,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:48:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:48:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:48:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:22,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:22,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:22,480 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:22,735 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:22,736 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:22,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:22,753 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:48:22,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:22 BoogieIcfgContainer [2024-11-13 13:48:22,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:22,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:22,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:22,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:22,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:21" (1/3) ... [2024-11-13 13:48:22,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0b1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:22, skipping insertion in model container [2024-11-13 13:48:22,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:22" (2/3) ... [2024-11-13 13:48:22,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0b1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:22, skipping insertion in model container [2024-11-13 13:48:22,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:22" (3/3) ... [2024-11-13 13:48:22,770 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-38.i [2024-11-13 13:48:22,792 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:22,794 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-38.i that has 2 procedures, 34 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:48:22,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:22,906 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;@3cbf27f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:22,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:48:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 13:48:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 13:48:22,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:22,928 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 13:48:22,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:22,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:22,935 INFO L85 PathProgramCache]: Analyzing trace with hash 426499891, now seen corresponding path program 1 times [2024-11-13 13:48:22,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:22,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108039364] [2024-11-13 13:48:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:22,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:48:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:48:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:48:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:48:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:48:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:48:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:48:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:48:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,363 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 13:48:23,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:23,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108039364] [2024-11-13 13:48:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108039364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:23,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:23,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:23,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136930690] [2024-11-13 13:48:23,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:23,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:23,415 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 13:48:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:23,440 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2024-11-13 13:48:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:23,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-13 13:48:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:23,454 INFO L225 Difference]: With dead ends: 61 [2024-11-13 13:48:23,454 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 13:48:23,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 13:48:23,464 INFO L432 NwaCegarLoop]: 38 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, 38 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 13:48:23,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 13:48:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 13:48:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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 13:48:23,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 13:48:23,520 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 55 [2024-11-13 13:48:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:23,521 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 13:48:23,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 13:48:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 13:48:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 13:48:23,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:23,525 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 13:48:23,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:48:23,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:23,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:23,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2007471369, now seen corresponding path program 1 times [2024-11-13 13:48:23,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:23,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362123678] [2024-11-13 13:48:23,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:23,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:48:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:48:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:48:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:48:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:48:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:48:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:48:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:48:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,962 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 13:48:24,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:24,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362123678] [2024-11-13 13:48:24,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362123678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:24,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:24,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:48:24,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428531036] [2024-11-13 13:48:24,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:24,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:24,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:24,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:24,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:24,970 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:25,224 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2024-11-13 13:48:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:48:25,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:25,228 INFO L225 Difference]: With dead ends: 50 [2024-11-13 13:48:25,228 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 13:48:25,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:48:25,231 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 33 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:25,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 184 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 13:48:25,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-11-13 13:48:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:48:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2024-11-13 13:48:25,257 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 55 [2024-11-13 13:48:25,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:25,258 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-13 13:48:25,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2024-11-13 13:48:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 13:48:25,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:25,262 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, 1] [2024-11-13 13:48:25,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:48:25,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:25,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:25,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1959183709, now seen corresponding path program 1 times [2024-11-13 13:48:25,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:25,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562700407] [2024-11-13 13:48:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:25,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:48:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:48:25,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:48:25,404 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:48:25,405 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:48:25,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:48:25,415 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 13:48:25,482 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:25,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:25 BoogieIcfgContainer [2024-11-13 13:48:25,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:25,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:25,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:25,488 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:25,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:22" (3/4) ... [2024-11-13 13:48:25,492 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:48:25,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:25,495 INFO L158 Benchmark]: Toolchain (without parser) took 3743.26ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 55.1MB in the end (delta: 61.7MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:25,495 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:25,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.42ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:25,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.64ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:25,496 INFO L158 Benchmark]: Boogie Preprocessor took 78.95ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:25,497 INFO L158 Benchmark]: RCFGBuilder took 447.14ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 90.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:25,497 INFO L158 Benchmark]: TraceAbstraction took 2729.64ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 55.9MB in the end (delta: 34.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-13 13:48:25,498 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 55.1MB in the end (delta: 767.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:25,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.42ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.64ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.95ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.14ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 90.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2729.64ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 55.9MB in the end (delta: 34.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 55.1MB in the end (delta: 767.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 256.2; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned short int var_1_5 = 0; [L26] float var_1_6 = 10.125; [L27] float var_1_7 = 9.4; [L28] unsigned long int var_1_8 = 50; VAL [isInitial=0, var_1_1=1281/5, var_1_2=0, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L63] isInitial = 1 [L64] FCALL initially() [L65] COND TRUE 1 [L66] FCALL updateLastVariables() [L67] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_uchar() [L43] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L43] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=1281/5, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L44] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L44] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=0, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L45] var_1_3 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L47] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L47] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L48] var_1_5 = __VERIFIER_nondet_ushort() [L49] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L49] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L50] CALL assume_abort_if_not(var_1_5 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L50] RET assume_abort_if_not(var_1_5 <= 65535) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_6=81/8, var_1_7=47/5, var_1_8=50] [L51] var_1_6 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_7=47/5, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_7=47/5, var_1_8=50] [L52] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_7=47/5, var_1_8=50] [L53] var_1_7 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_8=50] [L54] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_8=50] [L67] RET updateVariables() [L68] CALL step() [L32] var_1_8 = var_1_5 VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_5=0, var_1_8=0] [L33] COND TRUE var_1_2 || var_1_3 VAL [isInitial=1, var_1_1=1281/5, var_1_2=1, var_1_3=1, var_1_5=0, var_1_8=0] [L34] COND FALSE !(var_1_8 != var_1_8) [L37] var_1_1 = var_1_6 VAL [isInitial=1, var_1_1=261, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=261, var_1_8=0] [L68] RET step() [L69] CALL, EXPR property() [L59-L60] return ((var_1_2 || var_1_3) ? ((var_1_8 != var_1_8) ? (var_1_1 == ((float) ((((-0.4f) > (((((var_1_6 + var_1_7) < 0 ) ? -(var_1_6 + var_1_7) : (var_1_6 + var_1_7))))) ? (-0.4f) : (((((var_1_6 + var_1_7) < 0 ) ? -(var_1_6 + var_1_7) : (var_1_6 + var_1_7)))))))) : (var_1_1 == ((float) var_1_6))) : 1) && (var_1_8 == ((unsigned long int) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_1=261, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=261, var_1_8=0] [L69] RET, EXPR property() [L69] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=261, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=261, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_1=261, var_1_2=1, var_1_3=1, var_1_5=0, var_1_6=261, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 224/224 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 13:48:25,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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_1a852384-2253-4def-8e0b-fa817f8a1b14/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 127e3a0cb76048ef1bf90b67c9d3d0888a5502aaa9e60e916cbe6b2df2fd80c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:29,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:29,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:48:29,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:29,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:29,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:29,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:29,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:29,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:29,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:29,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:29,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:29,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:29,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:29,235 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:29,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:29,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:29,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:29,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:48:29,236 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:48:29,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:29,237 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:48:29,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:29,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:29,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:29,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:29,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:29,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:29,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:29,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:29,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:29,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:29,239 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_1a852384-2253-4def-8e0b-fa817f8a1b14/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 -> 127e3a0cb76048ef1bf90b67c9d3d0888a5502aaa9e60e916cbe6b2df2fd80c6 [2024-11-13 13:48:29,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:29,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:29,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:29,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:29,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:29,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i Unable to find full path for "g++" [2024-11-13 13:48:32,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:32,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:32,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i [2024-11-13 13:48:32,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/2938aee8f/100d809687f1416890c20155461ecc6b/FLAG8459a1fea [2024-11-13 13:48:32,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/data/2938aee8f/100d809687f1416890c20155461ecc6b [2024-11-13 13:48:32,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:32,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:32,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:32,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:32,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:32,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:32,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc26dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32, skipping insertion in model container [2024-11-13 13:48:32,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:32,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:32,796 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_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i[915,928] [2024-11-13 13:48:32,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:32,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:32,901 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_1a852384-2253-4def-8e0b-fa817f8a1b14/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-38.i[915,928] [2024-11-13 13:48:32,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:32,961 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:32,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32 WrapperNode [2024-11-13 13:48:32,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:32,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:32,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:32,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:32,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:32,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,037 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2024-11-13 13:48:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:33,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:33,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:33,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:33,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,075 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 13:48:33,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:33,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:33,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:33,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:33,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (1/1) ... [2024-11-13 13:48:33,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:33,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:33,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:33,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:48:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:48:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:48:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:33,328 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:33,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:33,553 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:33,554 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:33,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:33,571 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:48:33,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:33 BoogieIcfgContainer [2024-11-13 13:48:33,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:33,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:33,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:33,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:33,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:32" (1/3) ... [2024-11-13 13:48:33,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea4e3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:33, skipping insertion in model container [2024-11-13 13:48:33,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:32" (2/3) ... [2024-11-13 13:48:33,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea4e3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:33, skipping insertion in model container [2024-11-13 13:48:33,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:33" (3/3) ... [2024-11-13 13:48:33,587 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-38.i [2024-11-13 13:48:33,603 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:33,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-38.i that has 2 procedures, 34 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:48:33,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:33,690 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;@380da8dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:33,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:48:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 13:48:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 13:48:33,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:33,707 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 13:48:33,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:33,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:33,714 INFO L85 PathProgramCache]: Analyzing trace with hash 426499891, now seen corresponding path program 1 times [2024-11-13 13:48:33,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:33,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381923081] [2024-11-13 13:48:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:33,729 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 13:48:33,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:33,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:33,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:34,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:48:34,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 13:48:34,057 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:34,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:34,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381923081] [2024-11-13 13:48:34,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381923081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:34,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:34,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:34,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799291516] [2024-11-13 13:48:34,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:34,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:34,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:34,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:34,100 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 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 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 13:48:34,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:34,127 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2024-11-13 13:48:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:34,130 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-13 13:48:34,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:34,138 INFO L225 Difference]: With dead ends: 61 [2024-11-13 13:48:34,138 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 13:48:34,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 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 13:48:34,148 INFO L432 NwaCegarLoop]: 38 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, 38 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 13:48:34,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 13:48:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 13:48:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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 13:48:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 13:48:34,214 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 55 [2024-11-13 13:48:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:34,215 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 13:48:34,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 13:48:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 13:48:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 13:48:34,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:34,219 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 13:48:34,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:34,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:34,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:34,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:34,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2007471369, now seen corresponding path program 1 times [2024-11-13 13:48:34,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:34,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129678334] [2024-11-13 13:48:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:34,422 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 13:48:34,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:34,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:34,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:34,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:48:34,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:34,801 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 13:48:34,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:34,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:34,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129678334] [2024-11-13 13:48:34,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129678334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:34,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:34,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:48:34,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062690476] [2024-11-13 13:48:34,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:34,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:34,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:34,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:34,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:34,807 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:34,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:34,933 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2024-11-13 13:48:34,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:48:34,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:34,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:34,936 INFO L225 Difference]: With dead ends: 50 [2024-11-13 13:48:34,936 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 13:48:34,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:48:34,937 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 33 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:34,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 182 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:34,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 13:48:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-11-13 13:48:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 13:48:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2024-11-13 13:48:34,948 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 55 [2024-11-13 13:48:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:34,949 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-13 13:48:34,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 13:48:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2024-11-13 13:48:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 13:48:34,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:34,951 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, 1] [2024-11-13 13:48:34,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:35,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:35,152 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:35,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:35,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1959183709, now seen corresponding path program 1 times [2024-11-13 13:48:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:35,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110963845] [2024-11-13 13:48:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:35,153 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 13:48:35,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:35,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:35,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:35,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:48:35,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 13:48:36,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 13:48:36,597 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:48:36,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110963845] [2024-11-13 13:48:36,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110963845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:36,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:48:36,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-13 13:48:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108748543] [2024-11-13 13:48:36,598 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:36,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:48:36,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:48:36,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:48:36,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:48:36,600 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-13 13:48:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:38,428 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2024-11-13 13:48:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:48:38,429 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 56 [2024-11-13 13:48:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:38,430 INFO L225 Difference]: With dead ends: 68 [2024-11-13 13:48:38,430 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:48:38,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=257, Invalid=673, Unknown=0, NotChecked=0, Total=930 [2024-11-13 13:48:38,432 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 63 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:38,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 214 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:48:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:48:38,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:48:38,434 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 13:48:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:48:38,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-13 13:48:38,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:38,434 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:48:38,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-13 13:48:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:48:38,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:48:38,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:48:38,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:38,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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 13:48:38,643 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 13:48:38,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:48:39,821 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:39,832 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:48:39,833 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,835 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,840 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:48:39,840 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:48:39,841 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:48:39,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:39 BoogieIcfgContainer [2024-11-13 13:48:39,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:39,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:39,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:39,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:39,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:33" (3/4) ... [2024-11-13 13:48:39,851 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:48:39,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 13:48:39,863 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 13:48:39,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:48:39,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:48:39,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:48:39,955 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:48:39,956 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:48:39,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:39,958 INFO L158 Benchmark]: Toolchain (without parser) took 7418.89ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 75.7MB in the end (delta: 17.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,958 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.90ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.77ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,963 INFO L158 Benchmark]: Boogie Preprocessor took 78.57ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,963 INFO L158 Benchmark]: RCFGBuilder took 453.12ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 66.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,963 INFO L158 Benchmark]: TraceAbstraction took 6270.20ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 80.9MB in the end (delta: -15.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-13 13:48:39,964 INFO L158 Benchmark]: Witness Printer took 109.34ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 75.7MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:39,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.90ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.77ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.57ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.12ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 66.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6270.20ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 80.9MB in the end (delta: -15.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 109.34ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 75.7MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 434 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 303 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 131 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=2, InterpolantAutomatonStates: 27, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 652 SizeOfPredicates, 16 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 417/448 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: ((0 != cond) && ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:48:39,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a852384-2253-4def-8e0b-fa817f8a1b14/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