./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.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_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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_f5672187-7d4b-4801-9a6c-95aa10208c20/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 5dc86f6ccc49efa466c40ecfaf02fc621e42a3eb275044534af963c5345cf993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:26:40,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:26:41,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:26:41,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:26:41,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:26:41,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:26:41,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:26:41,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:26:41,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:26:41,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:26:41,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:26:41,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:26:41,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:26:41,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:26:41,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:26:41,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:26:41,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:26:41,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:26:41,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:26:41,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:26:41,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:26:41,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:26:41,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:26:41,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:41,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:26:41,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:26:41,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:26:41,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:26:41,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:26:41,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:26:41,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:26:41,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:26:41,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:26:41,127 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_f5672187-7d4b-4801-9a6c-95aa10208c20/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 -> 5dc86f6ccc49efa466c40ecfaf02fc621e42a3eb275044534af963c5345cf993 [2024-11-13 14:26:41,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:26:41,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:26:41,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:26:41,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:26:41,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:26:41,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i Unable to find full path for "g++" [2024-11-13 14:26:43,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:26:44,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:26:44,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i [2024-11-13 14:26:44,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/5e9f99cf1/cf326b66ac254c21aa543a91297b7fa8/FLAGd6aca00d2 [2024-11-13 14:26:44,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/5e9f99cf1/cf326b66ac254c21aa543a91297b7fa8 [2024-11-13 14:26:44,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:26:44,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:26:44,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:44,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:26:44,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:26:44,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44, skipping insertion in model container [2024-11-13 14:26:44,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:26:44,677 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_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i[915,928] [2024-11-13 14:26:44,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:44,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:26:44,768 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_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i[915,928] [2024-11-13 14:26:44,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:44,821 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:26:44,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44 WrapperNode [2024-11-13 14:26:44,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:44,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:44,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:26:44,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:26:44,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,887 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-13 14:26:44,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:44,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:26:44,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:26:44,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:26:44,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,921 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:26:44,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:26:44,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:26:44,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:26:44,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:26:44,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (1/1) ... [2024-11-13 14:26:44,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:44,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:26:45,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:26:45,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:26:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:26:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:26:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:26:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:26:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:26:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:26:45,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:26:45,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:26:45,367 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 14:26:45,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:26:45,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:26:45,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:26:45,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:45 BoogieIcfgContainer [2024-11-13 14:26:45,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:26:45,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:26:45,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:26:45,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:26:45,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:26:44" (1/3) ... [2024-11-13 14:26:45,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:45, skipping insertion in model container [2024-11-13 14:26:45,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:44" (2/3) ... [2024-11-13 14:26:45,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8692a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:45, skipping insertion in model container [2024-11-13 14:26:45,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:45" (3/3) ... [2024-11-13 14:26:45,397 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-81.i [2024-11-13 14:26:45,418 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:26:45,420 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-81.i that has 2 procedures, 34 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:26:45,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:26:45,525 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;@6a839265, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:26:45,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:26:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:26:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:26:45,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:26:45,542 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 14:26:45,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:26:45,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:26:45,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1812511960, now seen corresponding path program 1 times [2024-11-13 14:26:45,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:26:45,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844200913] [2024-11-13 14:26:45,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:26:45,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:26:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:26:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:26:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:26:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:26:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 14:26:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 14:26:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:26:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:45,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 14:26:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:46,005 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 14:26:46,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:26:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844200913] [2024-11-13 14:26:46,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844200913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:26:46,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:26:46,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:26:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003182025] [2024-11-13 14:26:46,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:26:46,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:26:46,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:26:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:26:46,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:26:46,058 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 14:26:46,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:26:46,082 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2024-11-13 14:26:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:26:46,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 56 [2024-11-13 14:26:46,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:26:46,091 INFO L225 Difference]: With dead ends: 61 [2024-11-13 14:26:46,091 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 14:26:46,095 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 14:26:46,101 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 14:26:46,102 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 14:26:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 14:26:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 14:26:46,138 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 14:26:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 14:26:46,146 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 56 [2024-11-13 14:26:46,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:26:46,147 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 14:26:46,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 14:26:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 14:26:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:26:46,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:26:46,150 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 14:26:46,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:26:46,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:26:46,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:26:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1315685228, now seen corresponding path program 1 times [2024-11-13 14:26:46,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:26:46,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911955704] [2024-11-13 14:26:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:26:46,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:26:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:26:46,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:26:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:26:46,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:26:46,442 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:26:46,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:26:46,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:26:46,452 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:26:46,506 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:26:46,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:26:46 BoogieIcfgContainer [2024-11-13 14:26:46,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:26:46,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:26:46,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:26:46,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:26:46,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:45" (3/4) ... [2024-11-13 14:26:46,515 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:26:46,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:26:46,517 INFO L158 Benchmark]: Toolchain (without parser) took 2104.42ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 87.0MB in the end (delta: 7.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-13 14:26:46,517 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:46,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.07ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:26:46,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.58ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:46,518 INFO L158 Benchmark]: Boogie Preprocessor took 57.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:46,519 INFO L158 Benchmark]: RCFGBuilder took 437.76ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:26:46,519 INFO L158 Benchmark]: TraceAbstraction took 1124.14ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 87.0MB in the end (delta: -18.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 14:26:46,520 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 87.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:46,522 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 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.07ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 83.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.58ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.57ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.76ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 68.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.14ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 87.0MB in the end (delta: -18.9MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 87.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 32. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 0; [L23] float var_1_2 = 16.875; [L24] float var_1_3 = 49.5; [L25] signed short int var_1_4 = 25; [L26] signed short int var_1_5 = 256; [L27] signed char var_1_6 = 10; [L28] signed char var_1_7 = 64; VAL [isInitial=0, var_1_1=0, var_1_2=135/8, var_1_3=99/2, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L61] isInitial = 1 [L62] FCALL initially() [L63] COND TRUE 1 [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L40] var_1_2 = __VERIFIER_nondet_float() [L41] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=99/2, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=99/2, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L41] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=99/2, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L42] var_1_3 = __VERIFIER_nondet_float() [L43] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L43] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_4=25, var_1_5=256, var_1_6=10, var_1_7=64] [L44] var_1_4 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L45] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L46] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L46] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=256, var_1_6=10, var_1_7=64] [L47] var_1_5 = __VERIFIER_nondet_short() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L49] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L49] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=64] [L50] var_1_7 = __VERIFIER_nondet_char() [L51] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L51] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L52] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L52] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L65] RET updateVariables() [L66] CALL step() [L32] COND FALSE !((- var_1_2) <= var_1_3) [L35] var_1_1 = ((100 + 4) - ((((16) < (var_1_5)) ? (16) : (var_1_5)))) VAL [isInitial=1, var_1_1=89, var_1_4=-1, var_1_5=15, var_1_6=10, var_1_7=0] [L37] var_1_6 = var_1_7 VAL [isInitial=1, var_1_1=89, var_1_4=-1, var_1_5=15, var_1_6=0, var_1_7=0] [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return (((- var_1_2) <= var_1_3) ? (var_1_1 == ((signed short int) (var_1_4 - var_1_5))) : (var_1_1 == ((signed short int) ((100 + 4) - ((((16) < (var_1_5)) ? (16) : (var_1_5))))))) && (var_1_6 == ((signed char) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=89, var_1_4=-1, var_1_5=15, var_1_6=0, var_1_7=0] [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=89, var_1_4=-1, var_1_5=15, var_1_6=0, var_1_7=0] [L19] reach_error() VAL [isInitial=1, var_1_1=89, var_1_4=-1, var_1_5=15, var_1_6=0, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:26:46,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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_f5672187-7d4b-4801-9a6c-95aa10208c20/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 5dc86f6ccc49efa466c40ecfaf02fc621e42a3eb275044534af963c5345cf993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:26:49,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:26:49,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:26:49,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:26:49,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:26:49,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:26:49,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:26:49,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:26:49,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:26:49,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:26:49,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:26:49,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:26:49,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:26:49,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:26:49,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:26:49,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:26:49,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:26:49,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:26:49,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:26:49,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:26:49,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:26:49,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:26:49,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:26:49,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:26:49,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:49,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:26:49,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:26:49,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:26:49,846 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_f5672187-7d4b-4801-9a6c-95aa10208c20/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 -> 5dc86f6ccc49efa466c40ecfaf02fc621e42a3eb275044534af963c5345cf993 [2024-11-13 14:26:50,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:26:50,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:26:50,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:26:50,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:26:50,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:26:50,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i Unable to find full path for "g++" [2024-11-13 14:26:52,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:26:52,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:26:52,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i [2024-11-13 14:26:52,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/7831e6c62/b5e8d30a0ffa49bdbff203b19fe83f6d/FLAGdaf1e6915 [2024-11-13 14:26:52,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/data/7831e6c62/b5e8d30a0ffa49bdbff203b19fe83f6d [2024-11-13 14:26:52,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:26:52,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:26:52,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:52,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:26:52,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:26:52,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:52" (1/1) ... [2024-11-13 14:26:52,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8d9923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:52, skipping insertion in model container [2024-11-13 14:26:52,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:52" (1/1) ... [2024-11-13 14:26:52,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:26:53,158 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_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i[915,928] [2024-11-13 14:26:53,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:53,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:26:53,245 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_f5672187-7d4b-4801-9a6c-95aa10208c20/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-81.i[915,928] [2024-11-13 14:26:53,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:26:53,275 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:26:53,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53 WrapperNode [2024-11-13 14:26:53,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:26:53,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:53,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:26:53,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:26:53,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,327 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67 [2024-11-13 14:26:53,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:26:53,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:26:53,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:26:53,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:26:53,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,370 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:26:53,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:26:53,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:26:53,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:26:53,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:26:53,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (1/1) ... [2024-11-13 14:26:53,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:26:53,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:26:53,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:26:53,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:26:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:26:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:26:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:26:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:26:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:26:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:26:53,548 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:26:53,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:26:53,781 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 14:26:53,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:26:53,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:26:53,792 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:26:53,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:53 BoogieIcfgContainer [2024-11-13 14:26:53,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:26:53,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:26:53,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:26:53,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:26:53,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:26:52" (1/3) ... [2024-11-13 14:26:53,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed8657d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:53, skipping insertion in model container [2024-11-13 14:26:53,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:53" (2/3) ... [2024-11-13 14:26:53,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed8657d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:53, skipping insertion in model container [2024-11-13 14:26:53,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:53" (3/3) ... [2024-11-13 14:26:53,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-81.i [2024-11-13 14:26:53,824 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:26:53,825 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-81.i that has 2 procedures, 34 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:26:53,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:26:53,948 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;@6d9de8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:26:53,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:26:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:26:53,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:26:53,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:26:53,966 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 14:26:53,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:26:53,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:26:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1812511960, now seen corresponding path program 1 times [2024-11-13 14:26:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:26:53,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911709535] [2024-11-13 14:26:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:26:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:26:53,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:26:53,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 14:26:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:54,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:26:54,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:26:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 14:26:54,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:26:54,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:26:54,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911709535] [2024-11-13 14:26:54,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911709535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:26:54,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:26:54,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:26:54,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474964198] [2024-11-13 14:26:54,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:26:54,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:26:54,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:26:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:26:54,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:26:54,252 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 14:26:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:26:54,274 INFO L93 Difference]: Finished difference Result 61 states and 92 transitions. [2024-11-13 14:26:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:26:54,276 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 56 [2024-11-13 14:26:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:26:54,282 INFO L225 Difference]: With dead ends: 61 [2024-11-13 14:26:54,282 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 14:26:54,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:26:54,288 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 14:26:54,289 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 14:26:54,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 14:26:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 14:26:54,321 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 14:26:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-13 14:26:54,327 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 56 [2024-11-13 14:26:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:26:54,327 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-13 14:26:54,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 14:26:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 14:26:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:26:54,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:26:54,330 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 14:26:54,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 14:26:54,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:54,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:26:54,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:26:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1315685228, now seen corresponding path program 1 times [2024-11-13 14:26:54,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:26:54,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385787357] [2024-11-13 14:26:54,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:26:54,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:54,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:26:54,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:26:54,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 14:26:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:54,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:26:54,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:26:55,959 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 14:26:55,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:26:55,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:26:55,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385787357] [2024-11-13 14:26:55,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385787357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:26:55,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:26:55,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:26:55,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792601589] [2024-11-13 14:26:55,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:26:55,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:26:55,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:26:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:26:55,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:26:55,963 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14:26:56,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:26:56,249 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2024-11-13 14:26:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:26:56,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 56 [2024-11-13 14:26:56,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:26:56,260 INFO L225 Difference]: With dead ends: 39 [2024-11-13 14:26:56,261 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 14:26:56,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:26:56,262 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 10 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:26:56,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 136 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:26:56,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 14:26:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-13 14:26:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 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 14:26:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-13 14:26:56,278 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 56 [2024-11-13 14:26:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:26:56,281 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-13 14:26:56,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14:26:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 14:26:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 14:26:56,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:26:56,286 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 14:26:56,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 14:26:56,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:56,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:26:56,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:26:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1258426926, now seen corresponding path program 1 times [2024-11-13 14:26:56,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:26:56,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302220634] [2024-11-13 14:26:56,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:26:56,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:56,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:26:56,493 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:26:56,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 14:26:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:26:56,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:26:56,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:26:56,975 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 14:26:56,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:26:56,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:26:56,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302220634] [2024-11-13 14:26:56,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302220634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:26:56,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:26:56,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:26:56,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640371133] [2024-11-13 14:26:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:26:56,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:26:56,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:26:56,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:26:56,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:26:56,978 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14:26:57,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:26:57,192 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2024-11-13 14:26:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:26:57,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 56 [2024-11-13 14:26:57,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:26:57,194 INFO L225 Difference]: With dead ends: 37 [2024-11-13 14:26:57,194 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:26:57,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 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 14:26:57,195 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 10 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:26:57,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 136 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:26:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:26:57,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:26:57,197 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 14:26:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:26:57,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-13 14:26:57,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:26:57,198 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:26:57,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14:26:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:26:57,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:26:57,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:26:57,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 14:26:57,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:26:57,408 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 14:26:57,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:26:57,440 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:26:57,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:26:57 BoogieIcfgContainer [2024-11-13 14:26:57,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:26:57,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:26:57,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:26:57,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:26:57,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:53" (3/4) ... [2024-11-13 14:26:57,474 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:26:57,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 14:26:57,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 14:26:57,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:26:57,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:26:57,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:26:57,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:26:57,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:26:57,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:26:57,595 INFO L158 Benchmark]: Toolchain (without parser) took 4656.34ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 60.2MB in the beginning and 27.3MB in the end (delta: 32.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-13 14:26:57,595 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:57,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.14ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:26:57,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.02ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:57,597 INFO L158 Benchmark]: Boogie Preprocessor took 55.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:26:57,599 INFO L158 Benchmark]: RCFGBuilder took 407.15ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 33.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:26:57,599 INFO L158 Benchmark]: TraceAbstraction took 3672.18ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 31.9MB in the end (delta: 1.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-13 14:26:57,600 INFO L158 Benchmark]: Witness Printer took 124.58ms. Allocated memory is still 100.7MB. Free memory was 31.9MB in the beginning and 27.3MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:26:57,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.14ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.02ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 407.15ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 33.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3672.18ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 33.0MB in the beginning and 31.9MB in the end (delta: 1.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 124.58ms. Allocated memory is still 100.7MB. Free memory was 31.9MB in the beginning and 27.3MB in the end (delta: 4.6MB). 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 - 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: 3.5s, OverallIterations: 3, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 310 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 115 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 14 NumberOfNonLiveVariables, 285 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 336/336 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) RESULT: Ultimate proved your program to be correct! [2024-11-13 14:26:57,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5672187-7d4b-4801-9a6c-95aa10208c20/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