./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU --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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:12,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:12,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:05:12,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:12,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:12,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:12,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:12,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:12,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:12,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:12,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:12,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:12,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:12,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:12,891 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:12,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:12,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:12,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:12,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:12,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:12,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:12,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:12,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:12,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:12,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:12,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:12,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:12,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:12,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:12,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:12,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:12,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:12,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:12,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:12,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:12,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:12,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:12,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:12,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:12,906 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:12,906 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:12,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:12,907 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2024-10-31 22:05:13,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:13,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:13,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:13,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:13,245 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:13,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i Unable to find full path for "g++" [2024-10-31 22:05:15,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:15,623 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:15,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-31 22:05:15,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/a5cf16503/a2b66eacce9143e6ae7fc573ba511236/FLAGa460479d9 [2024-10-31 22:05:15,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/a5cf16503/a2b66eacce9143e6ae7fc573ba511236 [2024-10-31 22:05:15,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:15,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:15,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:15,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:15,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:15,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:15" (1/1) ... [2024-10-31 22:05:15,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cb65a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:15, skipping insertion in model container [2024-10-31 22:05:15,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:15" (1/1) ... [2024-10-31 22:05:15,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:15,916 WARN L251 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_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-31 22:05:15,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:15,975 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:15,990 WARN L251 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_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-31 22:05:16,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:16,027 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:16,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16 WrapperNode [2024-10-31 22:05:16,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:16,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:16,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:16,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:16,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,068 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-10-31 22:05:16,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:16,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:16,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:16,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:16,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,094 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]. [2024-10-31 22:05:16,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:16,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:16,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:16,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:16,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (1/1) ... [2024-10-31 22:05:16,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:16,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:16,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:05:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:05:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:05:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:16,252 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:16,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:16,421 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:16,422 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:16,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:16,440 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:16,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:16 BoogieIcfgContainer [2024-10-31 22:05:16,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:16,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:16,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:16,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:16,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:15" (1/3) ... [2024-10-31 22:05:16,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553bb85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:16, skipping insertion in model container [2024-10-31 22:05:16,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:16" (2/3) ... [2024-10-31 22:05:16,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553bb85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:16, skipping insertion in model container [2024-10-31 22:05:16,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:16" (3/3) ... [2024-10-31 22:05:16,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-96.i [2024-10-31 22:05:16,474 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:16,474 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:16,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:16,557 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;@630eed33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:16,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 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) [2024-10-31 22:05:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:05:16,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:16,575 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:16,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:16,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:16,583 INFO L85 PathProgramCache]: Analyzing trace with hash 8485279, now seen corresponding path program 1 times [2024-10-31 22:05:16,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:16,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928317186] [2024-10-31 22:05:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:16,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:05:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:05:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:05:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:05:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:05:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:05:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:05:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-31 22:05:17,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:17,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928317186] [2024-10-31 22:05:17,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928317186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:17,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:17,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:17,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126403746] [2024-10-31 22:05:17,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:17,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:05:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:05:17,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:05:17,061 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:17,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:17,091 INFO L93 Difference]: Finished difference Result 59 states and 90 transitions. [2024-10-31 22:05:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:05:17,093 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-10-31 22:05:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:17,101 INFO L225 Difference]: With dead ends: 59 [2024-10-31 22:05:17,101 INFO L226 Difference]: Without dead ends: 29 [2024-10-31 22:05:17,105 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 [2024-10-31 22:05:17,112 INFO L432 NwaCegarLoop]: 37 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, 37 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 [2024-10-31 22:05:17,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-31 22:05:17,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-31 22:05:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-10-31 22:05:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-10-31 22:05:17,169 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 55 [2024-10-31 22:05:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:17,171 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-10-31 22:05:17,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:17,173 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-10-31 22:05:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:05:17,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:17,176 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:17,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:17,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:17,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1869481315, now seen corresponding path program 1 times [2024-10-31 22:05:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:17,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820793832] [2024-10-31 22:05:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:17,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:05:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:17,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:05:17,445 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:05:17,448 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:05:17,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:17,456 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:05:17,529 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:17,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:17 BoogieIcfgContainer [2024-10-31 22:05:17,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:17,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:17,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:17,537 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:17,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:16" (3/4) ... [2024-10-31 22:05:17,540 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:05:17,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:17,545 INFO L158 Benchmark]: Toolchain (without parser) took 1881.49ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 91.3MB in the beginning and 114.7MB in the end (delta: -23.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:17,546 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:17,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.13ms. Allocated memory is still 127.9MB. Free memory was 91.3MB in the beginning and 78.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:17,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:17,549 INFO L158 Benchmark]: Boogie Preprocessor took 36.56ms. Allocated memory is still 127.9MB. Free memory was 76.3MB in the beginning and 73.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:17,550 INFO L158 Benchmark]: RCFGBuilder took 334.30ms. Allocated memory is still 127.9MB. Free memory was 73.8MB in the beginning and 61.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:17,551 INFO L158 Benchmark]: TraceAbstraction took 1091.25ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 60.9MB in the beginning and 114.7MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:17,552 INFO L158 Benchmark]: Witness Printer took 6.83ms. Allocated memory is still 169.9MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:17,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.13ms. Allocated memory is still 127.9MB. Free memory was 91.3MB in the beginning and 78.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.56ms. Allocated memory is still 127.9MB. Free memory was 76.3MB in the beginning and 73.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.30ms. Allocated memory is still 127.9MB. Free memory was 73.8MB in the beginning and 61.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1091.25ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 60.9MB in the beginning and 114.7MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.83ms. Allocated memory is still 169.9MB. Free memory is still 114.7MB. 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 58, overapproximation of someBinaryArithmeticFLOAToperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_3 = 0; [L24] unsigned char var_1_4 = 128; [L25] unsigned char var_1_5 = 2; [L26] float var_1_6 = 3.9; [L27] float var_1_7 = 5.75; [L28] float var_1_8 = 31.25; [L29] signed short int var_1_9 = -32; VAL [isInitial=0, var_1_1=5, var_1_3=0, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_3 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L42] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=5, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L43] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=128, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L45] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L46] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=2, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L47] var_1_5 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L49] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_7=23/4, var_1_8=125/4, var_1_9=-32] [L50] var_1_7 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L51] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_8=125/4, var_1_9=-32] [L52] var_1_8 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L53] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_6=39/10, var_1_9=-32] [L66] RET updateVariables() [L67] CALL step() [L33] var_1_6 = (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8)))) [L34] var_1_9 = var_1_4 [L35] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-256, var_1_1=5, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_9=127] [L36] COND TRUE (-1000000000 < var_1_9) || stepLocal_0 [L37] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, var_1_1=0, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_9=127] [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return ((((-1000000000 < var_1_9) || var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : 1) && (var_1_6 == ((float) (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) + ((((127.5f) < (var_1_8)) ? (127.5f) : (var_1_8))))))) && (var_1_9 == ((signed short int) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_1=0, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_9=127] [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_3=-256, var_1_4=-32385, var_1_5=127, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 37 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, 37 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=33occurred 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, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 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 [2024-10-31 22:05:17,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU --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 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:20,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:20,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:05:20,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:20,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:20,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:20,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:20,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:20,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:20,431 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:20,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:20,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:20,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:20,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:20,433 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:20,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:20,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:20,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:20,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:20,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:20,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:20,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:20,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:20,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:05:20,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:05:20,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:20,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:05:20,443 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:20,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:20,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:20,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:20,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:20,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:20,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:20,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:20,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:20,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:20,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:20,446 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:05:20,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:05:20,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:20,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:20,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:20,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:20,448 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:05:20,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 641c4ed5eca7cff750ae4689f7589464820b46894765e20576aab7fa90d05e60 [2024-10-31 22:05:20,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:20,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:20,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:20,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:20,942 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:20,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i Unable to find full path for "g++" [2024-10-31 22:05:23,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:23,620 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:23,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i [2024-10-31 22:05:23,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/693e215c2/8735efe385544cffa8ea26acac591fa0/FLAG7f69dd37d [2024-10-31 22:05:23,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/data/693e215c2/8735efe385544cffa8ea26acac591fa0 [2024-10-31 22:05:23,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:23,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:23,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:23,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:23,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:23,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:23" (1/1) ... [2024-10-31 22:05:23,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b48ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:23, skipping insertion in model container [2024-10-31 22:05:23,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:23" (1/1) ... [2024-10-31 22:05:23,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:23,951 WARN L251 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_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-31 22:05:24,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:24,071 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:24,099 WARN L251 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_cdc5b968-9745-4371-a1e1-76897b026597/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-96.i[915,928] [2024-10-31 22:05:24,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:24,182 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:24,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24 WrapperNode [2024-10-31 22:05:24,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:24,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:24,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:24,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:24,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,276 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-10-31 22:05:24,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:24,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:24,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:24,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:24,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,300 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,322 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]. [2024-10-31 22:05:24,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:24,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:24,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:24,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:24,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (1/1) ... [2024-10-31 22:05:24,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:24,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:24,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:05:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:05:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:05:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:24,559 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:24,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:25,041 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:25,041 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:25,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:25,074 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:25,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:25 BoogieIcfgContainer [2024-10-31 22:05:25,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:25,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:25,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:25,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:25,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:23" (1/3) ... [2024-10-31 22:05:25,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ad4345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:25, skipping insertion in model container [2024-10-31 22:05:25,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:24" (2/3) ... [2024-10-31 22:05:25,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ad4345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:25, skipping insertion in model container [2024-10-31 22:05:25,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:25" (3/3) ... [2024-10-31 22:05:25,087 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-96.i [2024-10-31 22:05:25,117 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:25,118 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:25,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:25,189 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;@52dd60bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:25,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 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) [2024-10-31 22:05:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:05:25,207 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:25,208 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:25,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:25,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:25,217 INFO L85 PathProgramCache]: Analyzing trace with hash 8485279, now seen corresponding path program 1 times [2024-10-31 22:05:25,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:25,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87320094] [2024-10-31 22:05:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:25,237 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 [2024-10-31 22:05:25,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:25,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:25,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:25,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:05:25,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-31 22:05:25,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:25,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:25,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87320094] [2024-10-31 22:05:25,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87320094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:25,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:25,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444068918] [2024-10-31 22:05:25,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:25,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:05:25,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:25,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:05:25,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:05:25,609 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:25,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:25,642 INFO L93 Difference]: Finished difference Result 59 states and 90 transitions. [2024-10-31 22:05:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:05:25,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-10-31 22:05:25,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:25,653 INFO L225 Difference]: With dead ends: 59 [2024-10-31 22:05:25,654 INFO L226 Difference]: Without dead ends: 29 [2024-10-31 22:05:25,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:05:25,663 INFO L432 NwaCegarLoop]: 36 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, 36 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 [2024-10-31 22:05:25,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-10-31 22:05:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-10-31 22:05:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 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) [2024-10-31 22:05:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2024-10-31 22:05:25,718 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 55 [2024-10-31 22:05:25,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:25,720 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-10-31 22:05:25,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-10-31 22:05:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:05:25,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:25,723 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:25,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:25,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:25,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:25,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:25,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1869481315, now seen corresponding path program 1 times [2024-10-31 22:05:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:25,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359883099] [2024-10-31 22:05:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:25,934 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 [2024-10-31 22:05:25,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:25,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:05:25,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdc5b968-9745-4371-a1e1-76897b026597/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:05:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:26,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:05:26,126 INFO L278 TraceCheckSpWp]: Computing forward predicates...