./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB --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 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:57:05,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:57:05,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:57:05,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:57:05,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:57:05,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:57:05,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:57:05,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:57:05,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:57:05,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:57:05,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:57:05,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:57:05,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:57:05,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:57:05,316 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:57:05,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:57:05,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:57:05,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:05,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:05,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:57:05,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:05,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:05,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:05,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:05,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:57:05,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:57:05,321 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:57:05,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:57:05,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:57:05,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:57:05,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:57:05,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:57:05,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:57:05,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:57:05,323 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 [2024-11-28 04:57:05,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:57:05,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:57:05,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:57:05,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:57:05,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:57:05,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:08,717 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/11ee4d3b4/81263050d7e940739dd232accd2b0652/FLAG7135b1e22 [2024-11-28 04:57:09,111 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:57:09,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:09,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/11ee4d3b4/81263050d7e940739dd232accd2b0652/FLAG7135b1e22 [2024-11-28 04:57:09,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/11ee4d3b4/81263050d7e940739dd232accd2b0652 [2024-11-28 04:57:09,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:57:09,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:57:09,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:09,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:57:09,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:57:09,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4df9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09, skipping insertion in model container [2024-11-28 04:57:09,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:57:09,391 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_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-28 04:57:09,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:09,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:57:09,512 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_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-28 04:57:09,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:09,574 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:57:09,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09 WrapperNode [2024-11-28 04:57:09,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:09,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:09,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:57:09,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:57:09,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,624 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-28 04:57:09,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:09,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:57:09,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:57:09,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:57:09,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,651 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]. [2024-11-28 04:57:09,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:57:09,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:57:09,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:57:09,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:57:09,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (1/1) ... [2024-11-28 04:57:09,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:09,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:57:09,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:57:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:57:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:57:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:57:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:57:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:57:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:57:09,829 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:57:09,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:57:10,238 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-28 04:57:10,239 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:57:10,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:57:10,257 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:57:10,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:10 BoogieIcfgContainer [2024-11-28 04:57:10,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:57:10,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:57:10,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:57:10,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:57:10,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:57:09" (1/3) ... [2024-11-28 04:57:10,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df48d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:10, skipping insertion in model container [2024-11-28 04:57:10,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:09" (2/3) ... [2024-11-28 04:57:10,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df48d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:10, skipping insertion in model container [2024-11-28 04:57:10,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:10" (3/3) ... [2024-11-28 04:57:10,275 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:10,292 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:57:10,296 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-24.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:57:10,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:57:10,394 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;@710c32e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:57:10,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:57:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:57:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:57:10,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:10,414 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:10,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:10,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:10,422 INFO L85 PathProgramCache]: Analyzing trace with hash -183180573, now seen corresponding path program 1 times [2024-11-28 04:57:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:10,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136313379] [2024-11-28 04:57:10,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:57:10,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136313379] [2024-11-28 04:57:10,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136313379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:10,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977713376] [2024-11-28 04:57:10,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:10,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:10,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:57:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:11,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:57:11,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:57:11,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:11,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977713376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:11,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:57:11,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:57:11,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478449176] [2024-11-28 04:57:11,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:11,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:57:11,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:11,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:57:11,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:57:11,151 INFO L87 Difference]: Start difference. First operand has 76 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:57:11,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:11,194 INFO L93 Difference]: Finished difference Result 145 states and 246 transitions. [2024-11-28 04:57:11,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:57:11,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2024-11-28 04:57:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:11,206 INFO L225 Difference]: With dead ends: 145 [2024-11-28 04:57:11,207 INFO L226 Difference]: Without dead ends: 72 [2024-11-28 04:57:11,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:57:11,218 INFO L435 NwaCegarLoop]: 109 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, 109 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 [2024-11-28 04:57:11,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:57:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-28 04:57:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-28 04:57:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:57:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-28 04:57:11,273 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 131 [2024-11-28 04:57:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:11,273 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-28 04:57:11,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:57:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-28 04:57:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:57:11,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:11,282 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:11,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:57:11,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:11,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:11,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:11,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2100795037, now seen corresponding path program 1 times [2024-11-28 04:57:11,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:11,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339436344] [2024-11-28 04:57:11,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:11,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:57:12,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:12,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339436344] [2024-11-28 04:57:12,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339436344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:12,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:12,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:57:12,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864849049] [2024-11-28 04:57:12,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:12,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:57:12,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:12,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:57:12,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:12,302 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:12,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:12,658 INFO L93 Difference]: Finished difference Result 240 states and 367 transitions. [2024-11-28 04:57:12,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:57:12,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:57:12,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:12,669 INFO L225 Difference]: With dead ends: 240 [2024-11-28 04:57:12,669 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 04:57:12,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:57:12,671 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 115 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:12,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 329 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:57:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 04:57:12,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 139. [2024-11-28 04:57:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:57:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 213 transitions. [2024-11-28 04:57:12,725 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 213 transitions. Word has length 131 [2024-11-28 04:57:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:12,726 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 213 transitions. [2024-11-28 04:57:12,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2024-11-28 04:57:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:57:12,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:12,729 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:12,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:57:12,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:12,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:12,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1224113401, now seen corresponding path program 1 times [2024-11-28 04:57:12,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:12,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163311870] [2024-11-28 04:57:12,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:57:13,052 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:57:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:57:13,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:57:13,392 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:57:13,394 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:57:13,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:57:13,403 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 04:57:13,542 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:57:13,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:57:13 BoogieIcfgContainer [2024-11-28 04:57:13,552 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:57:13,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:57:13,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:57:13,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:57:13,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:10" (3/4) ... [2024-11-28 04:57:13,559 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:57:13,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:57:13,561 INFO L158 Benchmark]: Toolchain (without parser) took 4405.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 220.3MB in the end (delta: -126.8MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2024-11-28 04:57:13,562 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:57:13,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.04ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.8MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:57:13,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:57:13,565 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:57:13,565 INFO L158 Benchmark]: RCFGBuilder took 590.22ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 56.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:57:13,566 INFO L158 Benchmark]: TraceAbstraction took 3289.02ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.8MB in the beginning and 220.3MB in the end (delta: -164.6MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-28 04:57:13,566 INFO L158 Benchmark]: Witness Printer took 7.20ms. Allocated memory is still 352.3MB. Free memory was 220.3MB in the beginning and 220.3MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:57:13,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.04ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.8MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.22ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 56.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3289.02ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.8MB in the beginning and 220.3MB in the end (delta: -164.6MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Witness Printer took 7.20ms. Allocated memory is still 352.3MB. Free memory was 220.3MB in the beginning and 220.3MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 83, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] double var_1_4 = 10.5; [L24] double var_1_5 = 1.55; [L25] signed char var_1_8 = -10; [L26] signed char var_1_10 = -16; [L27] signed char var_1_11 = -4; [L28] signed char var_1_12 = -16; [L29] double var_1_13 = 128.55; [L30] double var_1_14 = 2.3; [L31] double var_1_15 = 4.8; [L32] unsigned long int var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] signed long int var_1_18 = 256; [L35] unsigned long int var_1_19 = 50; [L36] unsigned long int var_1_20 = 1; [L37] signed short int var_1_21 = -50; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] signed char last_1_var_1_8 = -10; [L41] signed short int last_1_var_1_21 = -50; [L42] unsigned char last_1_var_1_23 = 1; VAL [isInitial=0, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L137] isInitial = 1 [L138] FCALL initially() [L140] CALL updateLastVariables() [L128] last_1_var_1_8 = var_1_8 [L129] last_1_var_1_21 = var_1_21 [L130] last_1_var_1_23 = var_1_23 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_4=21/2, var_1_5=31/20, var_1_8=-10] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L95] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_5=31/20, var_1_8=-10] [L96] var_1_5 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L97] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L98] var_1_10 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L99] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L100] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L101] var_1_11 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L102] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L103] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L104] var_1_12 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L105] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L106] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L109] var_1_15 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L110] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L111] var_1_17 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L112] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L113] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L114] var_1_18 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L115] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L116] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L117] var_1_19 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L118] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L119] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L120] var_1_20 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L121] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L122] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L123] var_1_24 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_8=-10] [L124] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_8=-10] [L125] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L125] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L141] RET updateVariables() [L142] CALL step() [L46] COND TRUE last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=-10] [L47] COND TRUE \read(last_1_var_1_23) [L48] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_8=4] [L53] var_1_23 = var_1_24 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L54] COND TRUE var_1_8 >= ((1329162249 - var_1_17) - var_1_18) [L55] var_1_16 = (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L63] COND FALSE !(((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L72] unsigned char stepLocal_1 = var_1_23; [L73] signed char stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_0=4, stepLocal_1=0, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_1=79/5, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L74] COND TRUE stepLocal_0 >= var_1_16 [L75] var_1_1 = (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_1=0, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L81] COND TRUE 128u >= var_1_8 VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_1=0, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_13=2571/20, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L82] COND TRUE ! var_1_23 [L83] var_1_13 = ((var_1_14 - var_1_15) + 0.25) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, stepLocal_1=0, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L133-L134] return ((((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-11, var_1_12=31, var_1_16=4, var_1_17=0, var_1_18=2147483647, var_1_19=4294967299, var_1_20=-4294967295, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_8=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 191 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 247 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 32 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2242/2280 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:57:13,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB --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 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:57:16,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:57:16,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:57:16,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:57:16,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:57:16,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:57:16,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:57:16,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:57:16,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:57:16,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:57:16,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:57:16,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:57:16,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:57:16,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:57:16,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:57:16,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:57:16,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:57:16,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:57:16,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:57:16,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:57:16,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:16,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:16,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:16,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:57:16,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:57:16,789 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 447182ecab2cb81f136f8d3e464aa37548e99d63e7519fb3668d96b6ba17db38 [2024-11-28 04:57:17,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:57:17,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:57:17,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:57:17,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:57:17,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:57:17,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:20,282 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/ac0bdef6f/9475a714f4074b1c8b867d3d98f434e7/FLAG628d1e3ab [2024-11-28 04:57:20,585 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:57:20,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:20,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/ac0bdef6f/9475a714f4074b1c8b867d3d98f434e7/FLAG628d1e3ab [2024-11-28 04:57:20,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/data/ac0bdef6f/9475a714f4074b1c8b867d3d98f434e7 [2024-11-28 04:57:20,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:57:20,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:57:20,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:20,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:57:20,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:57:20,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:20" (1/1) ... [2024-11-28 04:57:20,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd371f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:20, skipping insertion in model container [2024-11-28 04:57:20,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:20" (1/1) ... [2024-11-28 04:57:20,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:57:20,838 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_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-28 04:57:20,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:20,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:57:20,969 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_3cd8c78c-6adf-4661-a2ce-9bf653555c46/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-24.i[915,928] [2024-11-28 04:57:21,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:21,042 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:57:21,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21 WrapperNode [2024-11-28 04:57:21,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:21,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:21,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:57:21,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:57:21,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,091 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-28 04:57:21,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:21,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:57:21,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:57:21,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:57:21,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,122 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]. [2024-11-28 04:57:21,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:57:21,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:57:21,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:57:21,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:57:21,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (1/1) ... [2024-11-28 04:57:21,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:21,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:57:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:57:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:57:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:57:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:57:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:57:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:57:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:57:21,289 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:57:21,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:57:25,314 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 04:57:25,314 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:57:25,328 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:57:25,328 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:57:25,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:25 BoogieIcfgContainer [2024-11-28 04:57:25,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:57:25,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:57:25,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:57:25,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:57:25,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:57:20" (1/3) ... [2024-11-28 04:57:25,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6132b030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:25, skipping insertion in model container [2024-11-28 04:57:25,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:21" (2/3) ... [2024-11-28 04:57:25,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6132b030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:25, skipping insertion in model container [2024-11-28 04:57:25,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:25" (3/3) ... [2024-11-28 04:57:25,367 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-24.i [2024-11-28 04:57:25,385 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:57:25,387 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-24.i that has 2 procedures, 65 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:57:25,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:57:25,476 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;@1c2af8af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:57:25,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:57:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:57:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 04:57:25,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:25,501 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:25,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:25,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:25,509 INFO L85 PathProgramCache]: Analyzing trace with hash 191717470, now seen corresponding path program 1 times [2024-11-28 04:57:25,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:57:25,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132970189] [2024-11-28 04:57:25,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:25,525 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 [2024-11-28 04:57:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:57:25,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:57:25,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:57:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:26,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:57:26,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:57:28,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:28,480 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:57:28,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132970189] [2024-11-28 04:57:28,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132970189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:28,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:28,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:57:28,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767017465] [2024-11-28 04:57:28,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:28,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:57:28,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:57:28,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:57:28,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:57:28,512 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:30,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:57:32,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:57:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:32,351 INFO L93 Difference]: Finished difference Result 199 states and 355 transitions. [2024-11-28 04:57:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:57:32,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-11-28 04:57:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:32,377 INFO L225 Difference]: With dead ends: 199 [2024-11-28 04:57:32,377 INFO L226 Difference]: Without dead ends: 137 [2024-11-28 04:57:32,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:57:32,383 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 75 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:32,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 265 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 04:57:32,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-28 04:57:32,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2024-11-28 04:57:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 73 states have internal predecessors, (96), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:57:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 176 transitions. [2024-11-28 04:57:32,476 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 176 transitions. Word has length 129 [2024-11-28 04:57:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:32,477 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 176 transitions. [2024-11-28 04:57:32,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2024-11-28 04:57:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:57:32,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:32,482 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:32,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:57:32,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:57:32,683 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:32,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1071671166, now seen corresponding path program 1 times [2024-11-28 04:57:32,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:57:32,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217095508] [2024-11-28 04:57:32,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:32,684 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 [2024-11-28 04:57:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:57:32,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:57:32,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:57:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:33,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:57:33,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:57:33,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:33,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:57:33,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217095508] [2024-11-28 04:57:33,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217095508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:33,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:33,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:57:33,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177018799] [2024-11-28 04:57:33,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:33,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:57:33,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:57:33,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:57:33,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:57:33,389 INFO L87 Difference]: Start difference. First operand 116 states and 176 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:35,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:57:37,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:57:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:38,279 INFO L93 Difference]: Finished difference Result 295 states and 432 transitions. [2024-11-28 04:57:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:57:38,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-28 04:57:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:38,283 INFO L225 Difference]: With dead ends: 295 [2024-11-28 04:57:38,283 INFO L226 Difference]: Without dead ends: 182 [2024-11-28 04:57:38,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:57:38,286 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 111 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:38,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 250 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 04:57:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-28 04:57:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 124. [2024-11-28 04:57:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:57:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 177 transitions. [2024-11-28 04:57:38,334 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 177 transitions. Word has length 130 [2024-11-28 04:57:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:38,334 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 177 transitions. [2024-11-28 04:57:38,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:57:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2024-11-28 04:57:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:57:38,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:38,338 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:57:38,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:57:38,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:57:38,538 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:38,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1069824124, now seen corresponding path program 1 times [2024-11-28 04:57:38,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:57:38,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152265981] [2024-11-28 04:57:38,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:38,540 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 [2024-11-28 04:57:38,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:57:38,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:57:38,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd8c78c-6adf-4661-a2ce-9bf653555c46/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:57:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:38,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 04:57:38,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:58:54,972 WARN L286 SmtUtils]: Spent 26.04s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:59:58,086 WARN L286 SmtUtils]: Spent 28.22s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)