./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 3fbcf775ae9b44858c65cf40fa8bb1955a65806e4bd568ae572996ffffa430d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:35:12,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:35:12,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:35:12,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:35:12,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:35:12,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:35:12,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:35:12,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:35:12,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:35:12,835 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:35:12,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:35:12,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:35:12,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:35:12,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:35:12,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:35:12,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:35:12,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:12,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:35:12,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:12,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:35:12,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:35:12,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:35:12,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:35:12,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:35:12,840 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 -> 3fbcf775ae9b44858c65cf40fa8bb1955a65806e4bd568ae572996ffffa430d3 [2024-11-28 03:35:13,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:35:13,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:35:13,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:35:13,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:35:13,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:35:13,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:16,581 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/54137805d/96c36bf934df44bb83be18ba5d3ddc59/FLAGaf5f265be [2024-11-28 03:35:16,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:35:16,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:17,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/54137805d/96c36bf934df44bb83be18ba5d3ddc59/FLAGaf5f265be [2024-11-28 03:35:17,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/54137805d/96c36bf934df44bb83be18ba5d3ddc59 [2024-11-28 03:35:17,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:35:17,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:35:17,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:35:17,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:35:17,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:35:17,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e3b0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17, skipping insertion in model container [2024-11-28 03:35:17,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:35:17,453 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i[915,928] [2024-11-28 03:35:17,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:35:17,571 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:35:17,583 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i[915,928] [2024-11-28 03:35:17,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:35:17,636 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:35:17,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17 WrapperNode [2024-11-28 03:35:17,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:35:17,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:35:17,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:35:17,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:35:17,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,697 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2024-11-28 03:35:17,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:35:17,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:35:17,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:35:17,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:35:17,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,737 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 03:35:17,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:35:17,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:35:17,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:35:17,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:35:17,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (1/1) ... [2024-11-28 03:35:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:17,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:17,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:35:17,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:35:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:35:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:35:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:35:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:35:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:35:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:35:17,967 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:35:17,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:35:18,380 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 03:35:18,380 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:35:18,399 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:35:18,403 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:35:18,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:18 BoogieIcfgContainer [2024-11-28 03:35:18,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:35:18,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:35:18,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:35:18,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:35:18,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:35:17" (1/3) ... [2024-11-28 03:35:18,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de2c724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:18, skipping insertion in model container [2024-11-28 03:35:18,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:17" (2/3) ... [2024-11-28 03:35:18,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de2c724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:18, skipping insertion in model container [2024-11-28 03:35:18,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:18" (3/3) ... [2024-11-28 03:35:18,425 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:18,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:35:18,451 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-27.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:35:18,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:35:18,556 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;@3b2d9015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:35:18,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:35:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 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 03:35:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 03:35:18,579 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:18,580 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 03:35:18,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:18,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:18,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1226941619, now seen corresponding path program 1 times [2024-11-28 03:35:18,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:18,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866511768] [2024-11-28 03:35:18,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:18,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:19,675 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 03:35:19,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:19,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866511768] [2024-11-28 03:35:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866511768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:35:19,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801162399] [2024-11-28 03:35:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:19,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:19,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:19,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:19,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:35:19,720 INFO L87 Difference]: Start difference. First operand has 71 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 03:35:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:19,924 INFO L93 Difference]: Finished difference Result 199 states and 346 transitions. [2024-11-28 03:35:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:19,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 132 [2024-11-28 03:35:19,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:19,946 INFO L225 Difference]: With dead ends: 199 [2024-11-28 03:35:19,946 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 03:35:19,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 03:35:19,958 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 52 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:19,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 272 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:35:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 03:35:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2024-11-28 03:35:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 84 states have (on average 1.2857142857142858) internal successors, (108), 84 states have internal predecessors, (108), 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 03:35:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 188 transitions. [2024-11-28 03:35:20,046 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 188 transitions. Word has length 132 [2024-11-28 03:35:20,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:20,048 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 188 transitions. [2024-11-28 03:35:20,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 03:35:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 188 transitions. [2024-11-28 03:35:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 03:35:20,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:20,054 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, 1] [2024-11-28 03:35:20,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:35:20,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:20,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1513829187, now seen corresponding path program 1 times [2024-11-28 03:35:20,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:20,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775087679] [2024-11-28 03:35:20,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:20,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:20,773 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 03:35:20,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:20,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775087679] [2024-11-28 03:35:20,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775087679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:20,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:20,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:35:20,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452176620] [2024-11-28 03:35:20,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:20,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:20,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:20,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:20,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:35:20,784 INFO L87 Difference]: Start difference. First operand 127 states and 188 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 03:35:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:21,095 INFO L93 Difference]: Finished difference Result 253 states and 377 transitions. [2024-11-28 03:35:21,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:21,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 133 [2024-11-28 03:35:21,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:21,101 INFO L225 Difference]: With dead ends: 253 [2024-11-28 03:35:21,102 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 03:35:21,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:35:21,105 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 97 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:21,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 136 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:35:21,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 03:35:21,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-28 03:35:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.2790697674418605) internal successors, (110), 86 states have internal predecessors, (110), 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 03:35:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 190 transitions. [2024-11-28 03:35:21,176 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 190 transitions. Word has length 133 [2024-11-28 03:35:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:21,177 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 190 transitions. [2024-11-28 03:35:21,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 03:35:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 190 transitions. [2024-11-28 03:35:21,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:35:21,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:21,183 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, 1, 1] [2024-11-28 03:35:21,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:35:21,184 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:21,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:21,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1952034663, now seen corresponding path program 1 times [2024-11-28 03:35:21,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:21,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90258817] [2024-11-28 03:35:21,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:21,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:35:21,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:35:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:35:21,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:35:21,703 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:35:21,704 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:35:21,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:35:21,713 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:35:21,856 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:35:21,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:35:21 BoogieIcfgContainer [2024-11-28 03:35:21,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:35:21,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:35:21,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:35:21,871 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:35:21,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:18" (3/4) ... [2024-11-28 03:35:21,876 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:35:21,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:35:21,879 INFO L158 Benchmark]: Toolchain (without parser) took 4697.43ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 84.6MB in the beginning and 145.7MB in the end (delta: -61.1MB). Peak memory consumption was 125.3MB. Max. memory is 16.1GB. [2024-11-28 03:35:21,881 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:35:21,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.94ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 70.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:35:21,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 68.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:35:21,884 INFO L158 Benchmark]: Boogie Preprocessor took 84.51ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:35:21,884 INFO L158 Benchmark]: RCFGBuilder took 616.24ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 45.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:35:21,885 INFO L158 Benchmark]: TraceAbstraction took 3462.19ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 45.6MB in the beginning and 145.8MB in the end (delta: -100.2MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-11-28 03:35:21,885 INFO L158 Benchmark]: Witness Printer took 8.67ms. Allocated memory is still 302.0MB. Free memory was 145.8MB in the beginning and 145.7MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:35:21,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.94ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 70.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 68.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.51ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 65.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 616.24ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 45.9MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3462.19ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 45.6MB in the beginning and 145.8MB in the end (delta: -100.2MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 8.67ms. Allocated memory is still 302.0MB. Free memory was 145.8MB in the beginning and 145.7MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; VAL [isInitial=0, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=0, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L129] isInitial = 1 [L130] FCALL initially() [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L95] var_1_4 = __VERIFIER_nondet_float() [L96] 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, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L96] 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, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L97] var_1_5 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L99] var_1_6 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L100] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_7=316/5, var_1_8=1] [L101] var_1_7 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L102] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L103] var_1_11 = __VERIFIER_nondet_ulong() [L104] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L104] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L105] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L105] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L107] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L108] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L108] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L109] var_1_15 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L110] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L111] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L111] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L112] var_1_16 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L113] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L114] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L116] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L117] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L118] var_1_19 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L119] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L120] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L133] RET updateVariables() [L134] CALL step() [L45] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L46] var_1_12 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L48] var_1_20 = var_1_11 [L49] var_1_21 = 8 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L50] EXPR 2u >> var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L50] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L51] COND TRUE var_1_12 != var_1_21 [L52] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L57] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L68] unsigned char stepLocal_1 = var_1_14; [L69] unsigned char stepLocal_0 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L70] COND TRUE var_1_14 || stepLocal_0 VAL [isInitial=1, stepLocal_1=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L71] COND TRUE stepLocal_1 || var_1_14 [L72] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=1] [L79] COND FALSE !(var_1_6 > (- var_1_7)) [L84] var_1_8 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=128, var_1_2=1, var_1_3=1, var_1_8=0] [L86] var_1_22 = var_1_8 VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] [L125-L126] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=4294967296, var_1_12=4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=4294967296, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 408 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 223 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 185 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 03:35:21,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 3fbcf775ae9b44858c65cf40fa8bb1955a65806e4bd568ae572996ffffa430d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:35:24,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:35:25,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:35:25,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:35:25,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:35:25,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:35:25,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:35:25,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:35:25,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:35:25,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:35:25,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:35:25,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:35:25,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:35:25,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:35:25,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:35:25,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:35:25,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:35:25,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:35:25,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:35:25,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:35:25,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:35:25,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:25,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:25,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:35:25,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:35:25,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:35:25,278 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 -> 3fbcf775ae9b44858c65cf40fa8bb1955a65806e4bd568ae572996ffffa430d3 [2024-11-28 03:35:25,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:35:25,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:35:25,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:35:25,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:35:25,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:35:25,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:28,940 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/b391a9721/7ce5b7f52d604dfdb325e53164753801/FLAGe8fd3f9a9 [2024-11-28 03:35:29,346 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:35:29,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:29,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/b391a9721/7ce5b7f52d604dfdb325e53164753801/FLAGe8fd3f9a9 [2024-11-28 03:35:29,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/data/b391a9721/7ce5b7f52d604dfdb325e53164753801 [2024-11-28 03:35:29,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:35:29,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:35:29,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:35:29,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:35:29,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:35:29,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627b3e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29, skipping insertion in model container [2024-11-28 03:35:29,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:35:29,681 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i[915,928] [2024-11-28 03:35:29,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:35:29,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:35:29,801 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_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-27.i[915,928] [2024-11-28 03:35:29,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:35:29,856 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:35:29,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29 WrapperNode [2024-11-28 03:35:29,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:35:29,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:35:29,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:35:29,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:35:29,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,928 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-28 03:35:29,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:35:29,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:35:29,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:35:29,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:35:29,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,963 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 03:35:29,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,974 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:29,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:35:29,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:35:29,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:35:29,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:35:29,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (1/1) ... [2024-11-28 03:35:30,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:35:30,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:30,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:35:30,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:35:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:35:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:35:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:35:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:35:30,220 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:35:30,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:35:35,281 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:35:35,282 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:35:35,297 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:35:35,297 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:35:35,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:35 BoogieIcfgContainer [2024-11-28 03:35:35,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:35:35,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:35:35,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:35:35,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:35:35,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:35:29" (1/3) ... [2024-11-28 03:35:35,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5638fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:35, skipping insertion in model container [2024-11-28 03:35:35,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:29" (2/3) ... [2024-11-28 03:35:35,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5638fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:35, skipping insertion in model container [2024-11-28 03:35:35,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:35" (3/3) ... [2024-11-28 03:35:35,310 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-27.i [2024-11-28 03:35:35,327 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:35:35,329 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-27.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:35:35,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:35:35,404 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;@6900cbfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:35:35,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:35:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 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 03:35:35,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:35:35,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:35,424 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 03:35:35,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:35,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:35,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1788795234, now seen corresponding path program 1 times [2024-11-28 03:35:35,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:35,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637603579] [2024-11-28 03:35:35,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:35,441 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 03:35:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:35,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:35,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:36,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:35:36,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-28 03:35:36,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:36,139 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:36,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637603579] [2024-11-28 03:35:36,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637603579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:36,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:36,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:35:36,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915315981] [2024-11-28 03:35:36,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:36,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:35:36,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:36,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:35:36,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:35:36,180 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 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), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:35:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:36,219 INFO L93 Difference]: Finished difference Result 121 states and 206 transitions. [2024-11-28 03:35:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:35:36,221 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), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-11-28 03:35:36,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:36,228 INFO L225 Difference]: With dead ends: 121 [2024-11-28 03:35:36,229 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 03:35:36,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 03:35:36,236 INFO L435 NwaCegarLoop]: 89 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, 89 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 03:35:36,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:35:36,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 03:35:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 03:35:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 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 03:35:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-11-28 03:35:36,294 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-11-28 03:35:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:36,297 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-11-28 03:35:36,297 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), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 03:35:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-28 03:35:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 03:35:36,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:36,304 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 03:35:36,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:35:36,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:36,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:36,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:36,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1907962006, now seen corresponding path program 1 times [2024-11-28 03:35:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:36,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849570976] [2024-11-28 03:35:36,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:36,508 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 03:35:36,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:36,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:36,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:37,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:35:37,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-28 03:35:38,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:38,523 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 03:35:38,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:38,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849570976] [2024-11-28 03:35:38,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849570976] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:38,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:35:38,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-28 03:35:38,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13251483] [2024-11-28 03:35:38,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:38,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:38,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:38,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:38,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:35:38,530 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) 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 03:35:42,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:42,252 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2024-11-28 03:35:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:42,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) 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 03:35:42,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:42,282 INFO L225 Difference]: With dead ends: 121 [2024-11-28 03:35:42,282 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 03:35:42,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:35:42,284 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 53 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:42,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 03:35:42,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 03:35:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 03:35:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 41 states have internal predecessors, (51), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 03:35:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 91 transitions. [2024-11-28 03:35:42,302 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 91 transitions. Word has length 129 [2024-11-28 03:35:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:42,303 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 91 transitions. [2024-11-28 03:35:42,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) 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 03:35:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2024-11-28 03:35:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 03:35:42,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:42,306 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 03:35:42,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:42,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:42,507 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:42,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 40905933, now seen corresponding path program 1 times [2024-11-28 03:35:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071183679] [2024-11-28 03:35:42,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:42,509 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 03:35:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:42,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:42,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:43,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:35:43,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:44,171 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 03:35:44,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:44,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:35:44,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071183679] [2024-11-28 03:35:44,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071183679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:44,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:44,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:35:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154257361] [2024-11-28 03:35:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:44,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:35:44,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:44,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:35:44,175 INFO L87 Difference]: Start difference. First operand 64 states and 91 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 03:35:47,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:47,371 INFO L93 Difference]: Finished difference Result 186 states and 267 transitions. [2024-11-28 03:35:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:47,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 130 [2024-11-28 03:35:47,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:47,417 INFO L225 Difference]: With dead ends: 186 [2024-11-28 03:35:47,417 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 03:35:47,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 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 03:35:47,419 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 18 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:47,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 242 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 03:35:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 03:35:47,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 121. [2024-11-28 03:35:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 76 states have internal predecessors, (92), 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 03:35:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 172 transitions. [2024-11-28 03:35:47,475 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 172 transitions. Word has length 130 [2024-11-28 03:35:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:47,476 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 172 transitions. [2024-11-28 03:35:47,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 03:35:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2024-11-28 03:35:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:35:47,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:47,483 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 03:35:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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)] Ended with exit code 0 [2024-11-28 03:35:47,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:47,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:35:47,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash -2051325310, now seen corresponding path program 1 times [2024-11-28 03:35:47,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:35:47,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97055121] [2024-11-28 03:35:47,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:47,686 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 03:35:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:35:47,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 03:35:47,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/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 (5)] Waiting until timeout for monitored process [2024-11-28 03:35:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:48,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:35:48,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:10,033 WARN L286 SmtUtils]: Spent 8.81s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:36:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 358 proven. 72 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-28 03:36:21,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:36:46,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:36:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97055121] [2024-11-28 03:36:46,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97055121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:36:46,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [662202530] [2024-11-28 03:36:46,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:36:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:36:46,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:36:46,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bf2fb2a-1f6a-496c-9f97-7490ef7b3ee4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 03:36:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:48,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 03:36:48,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:38:09,152 WARN L286 SmtUtils]: Spent 11.81s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:39:11,749 WARN L286 SmtUtils]: Spent 16.91s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:40:51,260 WARN L286 SmtUtils]: Spent 26.80s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:42:00,119 WARN L286 SmtUtils]: Spent 20.79s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:42:54,643 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:43:50,797 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:44:03,019 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:46:43,610 WARN L286 SmtUtils]: Spent 1.88m on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:46:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 108 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-28 03:46:43,752 INFO L312 TraceCheckSpWp]: Computing backward predicates...