./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX --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 e8e48386f683c61ad83dc45950d416f3b7b34fb83dcb38ff93fba2c7d094f129 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:17:00,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:17:00,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:17:00,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:17:00,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:17:01,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:17:01,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:17:01,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:17:01,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:17:01,014 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:17:01,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:17:01,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:17:01,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:17:01,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:17:01,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:17:01,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:17:01,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:17:01,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:17:01,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:17:01,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:17:01,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:17:01,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:17:01,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:17:01,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:17:01,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:17:01,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:17:01,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:17:01,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:17:01,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:17:01,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:17:01,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:17:01,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:17:01,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:17:01,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:17:01,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:17:01,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:17:01,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:17:01,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:17:01,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:17:01,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:17:01,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:17:01,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:17:01,035 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e48386f683c61ad83dc45950d416f3b7b34fb83dcb38ff93fba2c7d094f129 [2024-11-08 19:17:01,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:17:01,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:17:01,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:17:01,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:17:01,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:17:01,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i Unable to find full path for "g++" [2024-11-08 19:17:03,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:17:03,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:17:03,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i [2024-11-08 19:17:03,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/6ebcb0959/6518c71cfd9245ee9006499d0b6e7946/FLAGd056bc1ef [2024-11-08 19:17:03,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/6ebcb0959/6518c71cfd9245ee9006499d0b6e7946 [2024-11-08 19:17:03,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:17:03,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:17:03,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:17:03,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:17:03,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:17:03,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:03" (1/1) ... [2024-11-08 19:17:03,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e314f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:03, skipping insertion in model container [2024-11-08 19:17:03,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:03" (1/1) ... [2024-11-08 19:17:03,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:17:04,154 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i[915,928] [2024-11-08 19:17:04,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:17:04,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:17:04,223 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i[915,928] [2024-11-08 19:17:04,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:17:04,271 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:17:04,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04 WrapperNode [2024-11-08 19:17:04,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:17:04,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:17:04,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:17:04,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:17:04,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,312 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-08 19:17:04,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:17:04,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:17:04,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:17:04,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:17:04,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,342 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]. [2024-11-08 19:17:04,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:17:04,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:17:04,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:17:04,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:17:04,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (1/1) ... [2024-11-08 19:17:04,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:17:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:04,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:17:04,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:17:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:17:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:17:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:17:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:17:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:17:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:17:04,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:17:04,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:17:04,806 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 19:17:04,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:17:04,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:17:04,818 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:17:04,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:17:04 BoogieIcfgContainer [2024-11-08 19:17:04,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:17:04,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:17:04,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:17:04,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:17:04,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:17:03" (1/3) ... [2024-11-08 19:17:04,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ba963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:17:04, skipping insertion in model container [2024-11-08 19:17:04,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:04" (2/3) ... [2024-11-08 19:17:04,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ba963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:17:04, skipping insertion in model container [2024-11-08 19:17:04,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:17:04" (3/3) ... [2024-11-08 19:17:04,829 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-79.i [2024-11-08 19:17:04,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:17:04,849 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:17:04,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:17:04,927 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;@4998b8d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:17:04,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:17:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 19:17:04,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:04,941 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:04,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:04,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:04,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1667907878, now seen corresponding path program 1 times [2024-11-08 19:17:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:17:04,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101633096] [2024-11-08 19:17:04,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:17:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:17:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:17:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:17:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:17:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:17:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:17:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:17:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:17:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:17:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:17:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:17:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 19:17:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 19:17:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 19:17:05,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:17:05,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101633096] [2024-11-08 19:17:05,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101633096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:05,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:05,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:17:05,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164880273] [2024-11-08 19:17:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:17:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:17:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:17:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:17:05,388 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 19:17:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:05,411 INFO L93 Difference]: Finished difference Result 87 states and 143 transitions. [2024-11-08 19:17:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:17:05,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2024-11-08 19:17:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:05,419 INFO L225 Difference]: With dead ends: 87 [2024-11-08 19:17:05,419 INFO L226 Difference]: Without dead ends: 43 [2024-11-08 19:17:05,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:17:05,426 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-08 19:17:05,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:17:05,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-08 19:17:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-08 19:17:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-08 19:17:05,469 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 86 [2024-11-08 19:17:05,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:05,470 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-08 19:17:05,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 19:17:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-08 19:17:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 19:17:05,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:05,474 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:05,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:17:05,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:05,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:05,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1298216092, now seen corresponding path program 1 times [2024-11-08 19:17:05,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:17:05,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012398741] [2024-11-08 19:17:05,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:17:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:17:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:17:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:17:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:17:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:17:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:17:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:17:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:17:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:17:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:17:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:17:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 19:17:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 19:17:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 19:17:05,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:17:05,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012398741] [2024-11-08 19:17:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012398741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:05,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:17:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674227622] [2024-11-08 19:17:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:05,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:17:05,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:17:05,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:17:05,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:05,726 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 19:17:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:05,778 INFO L93 Difference]: Finished difference Result 94 states and 133 transitions. [2024-11-08 19:17:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:17:05,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2024-11-08 19:17:05,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:05,781 INFO L225 Difference]: With dead ends: 94 [2024-11-08 19:17:05,781 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 19:17:05,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:05,784 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 15 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:05,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:17:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 19:17:05,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2024-11-08 19:17:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-08 19:17:05,796 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 86 [2024-11-08 19:17:05,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:05,801 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-08 19:17:05,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 19:17:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-08 19:17:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 19:17:05,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:05,807 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:05,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:17:05,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:05,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:05,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1825553489, now seen corresponding path program 1 times [2024-11-08 19:17:05,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:17:05,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495255660] [2024-11-08 19:17:05,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:17:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:17:05,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:17:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:17:06,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:17:06,027 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:17:06,028 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:17:06,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:17:06,034 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:17:06,100 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:17:06,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:17:06 BoogieIcfgContainer [2024-11-08 19:17:06,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:17:06,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:17:06,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:17:06,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:17:06,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:17:04" (3/4) ... [2024-11-08 19:17:06,108 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:17:06,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:17:06,113 INFO L158 Benchmark]: Toolchain (without parser) took 2209.33ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 75.0MB in the end (delta: 48.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,113 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:17:06,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.10ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 109.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,117 INFO L158 Benchmark]: Boogie Preprocessor took 58.04ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,118 INFO L158 Benchmark]: RCFGBuilder took 442.91ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 90.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,118 INFO L158 Benchmark]: TraceAbstraction took 1282.51ms. Allocated memory is still 161.5MB. Free memory was 89.9MB in the beginning and 75.0MB in the end (delta: 14.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-08 19:17:06,121 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 161.5MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:17:06,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.10ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 109.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.04ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 442.91ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 90.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1282.51ms. Allocated memory is still 161.5MB. Free memory was 89.9MB in the beginning and 75.0MB in the end (delta: 14.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 161.5MB. Free memory is still 75.0MB. 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 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_3 = 0; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 64; [L27] unsigned short int var_1_6 = 25; [L28] float var_1_7 = 256.4; [L29] double var_1_10 = 9999999999.515; [L30] float var_1_11 = 8.5; [L31] float var_1_12 = 2.5; [L32] double var_1_13 = 15.8; [L33] double var_1_14 = 25.8; VAL [isInitial=0, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] FCALL updateLastVariables() [L98] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L66] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L66] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=0, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L67] var_1_3 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L68] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L69] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L69] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=64, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L70] var_1_4 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L71] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L72] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L72] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=64, var_1_6=25, var_1_7=1282/5] [L73] var_1_5 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L75] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L75] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25, var_1_7=1282/5] [L76] var_1_7 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L77] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_11=17/2, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L78] var_1_11 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L79] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_12=5/2, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L80] var_1_12 = __VERIFIER_nondet_float() [L81] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L81] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_13=79/5, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L82] var_1_13 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L83] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_14=129/5, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L84] var_1_14 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1999999999903/200, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L85] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L98] RET updateVariables() [L99] CALL step() [L37] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=1999999999903/200, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L44] COND FALSE !(var_1_7 < (var_1_11 - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L53] COND TRUE \read(var_1_2) VAL [isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=25] [L54] COND TRUE (var_1_7 - ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) <= var_1_10 [L55] var_1_6 = ((((256) < 0 ) ? -(256) : (256))) VAL [isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=256] [L99] RET step() [L100] CALL, EXPR property() [L90-L91] return (((! var_1_2) ? ((! var_1_2) ? (var_1_1 == ((signed char) (var_1_3 + -32))) : (var_1_1 == ((signed char) (var_1_4 - var_1_5)))) : 1) && (var_1_2 ? (((var_1_7 - ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) <= var_1_10) ? (var_1_6 == ((unsigned short int) ((((256) < 0 ) ? -(256) : (256))))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) 16)))) && ((var_1_7 < (var_1_11 - var_1_12)) ? (((var_1_7 / 7.2) <= var_1_11) ? (var_1_10 == ((double) (var_1_13 - var_1_14))) : (var_1_10 == ((double) var_1_13))) : (var_1_10 == ((double) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=256] [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=256] [L19] reach_error() VAL [isInitial=1, var_1_10=10000000004, var_1_14=10000000004, var_1_1=-16, var_1_2=1, var_1_3=-63, var_1_4=126, var_1_5=126, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 120 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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 [2024-11-08 19:17:06,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX --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 e8e48386f683c61ad83dc45950d416f3b7b34fb83dcb38ff93fba2c7d094f129 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:17:08,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:17:08,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:17:08,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:17:08,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:17:08,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:17:08,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:17:08,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:17:08,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:17:08,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:17:08,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:17:08,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:17:08,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:17:08,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:17:08,761 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:17:08,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:17:08,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:17:08,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:17:08,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:17:08,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:17:08,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:17:08,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:17:08,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:17:08,768 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:17:08,768 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:17:08,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:17:08,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:17:08,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:17:08,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:17:08,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:17:08,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:17:08,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:17:08,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:17:08,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:17:08,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:17:08,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:17:08,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:17:08,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:17:08,776 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:17:08,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:17:08,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:17:08,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:17:08,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:17:08,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:17:08,778 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e48386f683c61ad83dc45950d416f3b7b34fb83dcb38ff93fba2c7d094f129 [2024-11-08 19:17:09,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:17:09,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:17:09,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:17:09,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:17:09,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:17:09,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i Unable to find full path for "g++" [2024-11-08 19:17:11,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:17:11,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:17:11,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i [2024-11-08 19:17:11,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/b6a224106/b6f19d4f73ed472e8059660187e87393/FLAG7c1026899 [2024-11-08 19:17:11,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/data/b6a224106/b6f19d4f73ed472e8059660187e87393 [2024-11-08 19:17:11,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:17:11,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:17:11,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:17:11,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:17:11,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:17:11,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:11,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43899bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11, skipping insertion in model container [2024-11-08 19:17:11,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:11,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:17:11,725 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i[915,928] [2024-11-08 19:17:11,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:17:11,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:17:11,827 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_b437428f-e457-4f54-ad07-4e5dc2548ba3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-79.i[915,928] [2024-11-08 19:17:11,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:17:11,936 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:17:11,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11 WrapperNode [2024-11-08 19:17:11,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:17:11,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:17:11,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:17:11,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:17:11,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:11,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:11,990 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-08 19:17:11,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:17:11,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:17:11,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:17:11,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:17:12,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,040 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]. [2024-11-08 19:17:12,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:17:12,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:17:12,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:17:12,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:17:12,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (1/1) ... [2024-11-08 19:17:12,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:17:12,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:17:12,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:17:12,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:17:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:17:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:17:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:17:12,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:17:12,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:17:25,926 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 19:17:25,926 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:17:25,939 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:17:25,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:17:25,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:17:25 BoogieIcfgContainer [2024-11-08 19:17:25,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:17:25,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:17:25,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:17:25,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:17:25,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:17:11" (1/3) ... [2024-11-08 19:17:25,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a63e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:17:25, skipping insertion in model container [2024-11-08 19:17:25,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:17:11" (2/3) ... [2024-11-08 19:17:25,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a63e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:17:25, skipping insertion in model container [2024-11-08 19:17:25,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:17:25" (3/3) ... [2024-11-08 19:17:25,956 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-79.i [2024-11-08 19:17:25,975 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:17:25,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:17:26,059 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:17:26,065 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;@335d6dc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:17:26,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:17:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 19:17:26,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:26,085 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:26,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:26,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1667907878, now seen corresponding path program 1 times [2024-11-08 19:17:26,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013144293] [2024-11-08 19:17:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:26,108 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 [2024-11-08 19:17:26,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:17:26,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:17:26,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:17:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:27,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:17:27,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 19:17:27,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:27,264 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:27,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013144293] [2024-11-08 19:17:27,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013144293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:27,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:27,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:17:27,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222443291] [2024-11-08 19:17:27,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:27,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:17:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:27,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:17:27,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:17:27,299 INFO L87 Difference]: Start difference. First operand has 47 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 19:17:27,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:27,325 INFO L93 Difference]: Finished difference Result 87 states and 143 transitions. [2024-11-08 19:17:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:17:27,330 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2024-11-08 19:17:27,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:27,338 INFO L225 Difference]: With dead ends: 87 [2024-11-08 19:17:27,339 INFO L226 Difference]: Without dead ends: 43 [2024-11-08 19:17:27,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:17:27,352 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-08 19:17:27,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:17:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-08 19:17:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-08 19:17:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-08 19:17:27,410 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 86 [2024-11-08 19:17:27,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:27,411 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-08 19:17:27,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-08 19:17:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-08 19:17:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 19:17:27,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:27,416 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:27,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:27,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:17:27,618 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:27,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1298216092, now seen corresponding path program 1 times [2024-11-08 19:17:27,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:27,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950990155] [2024-11-08 19:17:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:27,620 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 [2024-11-08 19:17:27,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:17:27,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:17:27,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:17:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:28,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:17:28,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 19:17:28,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:17:28,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:17:28,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950990155] [2024-11-08 19:17:28,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950990155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:17:28,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:17:28,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:17:28,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417360517] [2024-11-08 19:17:28,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:17:28,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:17:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:17:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:17:28,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:28,794 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 19:17:33,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:37,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:17:37,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:17:37,145 INFO L93 Difference]: Finished difference Result 94 states and 133 transitions. [2024-11-08 19:17:37,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:17:37,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2024-11-08 19:17:37,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:17:37,233 INFO L225 Difference]: With dead ends: 94 [2024-11-08 19:17:37,233 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 19:17:37,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:17:37,235 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 15 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:17:37,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-08 19:17:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 19:17:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2024-11-08 19:17:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 19:17:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-08 19:17:37,245 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 86 [2024-11-08 19:17:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:17:37,246 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-08 19:17:37,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-08 19:17:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-08 19:17:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 19:17:37,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:17:37,250 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:17:37,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 19:17:37,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:17:37,451 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:17:37,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:17:37,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1825553489, now seen corresponding path program 1 times [2024-11-08 19:17:37,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:17:37,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748432501] [2024-11-08 19:17:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:17:37,453 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 [2024-11-08 19:17:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:17:37,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:17:37,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b437428f-e457-4f54-ad07-4e5dc2548ba3/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:17:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:17:38,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:17:38,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:21,621 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:18:49,567 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:18:57,925 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:10,997 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:24,012 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:32,413 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:40,838 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:49,215 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:19:57,566 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:05,951 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:14,364 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:22,951 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:31,445 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:44,711 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:20:57,903 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:06,327 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:14,876 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:23,307 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:31,989 WARN L286 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:40,436 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:48,840 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:21:57,105 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:05,404 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:13,833 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:22,244 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:35,350 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:48,466 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:22:56,898 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:05,263 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:13,653 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:22,051 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:30,503 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:39,025 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:47,478 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:23:55,872 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:08,955 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:22,110 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:30,482 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:38,877 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:47,272 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:24:55,646 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:04,086 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:12,576 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:20,842 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:29,247 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:37,652 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:46,057 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:25:52,460 WARN L286 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:05,249 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:14,976 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:23,354 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:36,432 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:49,492 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:26:57,878 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:06,238 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:14,612 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:22,999 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:31,383 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:39,766 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:48,161 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:27:56,591 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:09,664 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:22,836 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:31,223 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:39,578 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:47,956 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:28:56,350 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:04,742 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:13,124 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:21,416 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:29,695 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:38,080 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:46,460 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:29:59,575 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:13,159 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:21,581 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:29,994 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:38,412 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:46,858 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:30:55,300 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:03,719 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:12,140 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:20,541 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:33,725 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:46,862 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:31:55,242 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:32:03,626 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:32:12,026 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:32:20,421 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:32:28,833 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)