./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:10:46,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:10:46,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:10:46,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:10:46,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:10:46,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:10:46,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:10:46,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:10:46,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:10:46,829 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:10:46,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:10:46,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:10:46,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:10:46,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:10:46,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:10:46,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:10:46,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:10:46,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:10:46,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:10:46,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:10:46,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:10:46,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:10:46,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:10:46,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:46,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:46,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:10:46,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:46,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:10:46,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:10:46,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:10:46,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:10:46,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:10:46,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:10:46,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:10:46,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:10:46,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:10:46,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:10:46,835 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-11-28 03:10:47,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:10:47,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:10:47,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:10:47,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:10:47,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:10:47,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-28 03:10:51,243 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2f9fc9/5ed0eff7560c4907a3abfebb0567cb2e/FLAGaddef7af6 [2024-11-28 03:10:51,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:10:51,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-28 03:10:51,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2f9fc9/5ed0eff7560c4907a3abfebb0567cb2e/FLAGaddef7af6 [2024-11-28 03:10:51,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/1bb2f9fc9/5ed0eff7560c4907a3abfebb0567cb2e [2024-11-28 03:10:51,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:10:51,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:10:51,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:51,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:10:51,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:10:51,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:51" (1/1) ... [2024-11-28 03:10:51,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8a5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:51, skipping insertion in model container [2024-11-28 03:10:51,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:51" (1/1) ... [2024-11-28 03:10:51,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:10:52,106 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i[913,926] [2024-11-28 03:10:52,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:52,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:10:52,249 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i[913,926] [2024-11-28 03:10:52,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:10:52,312 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:10:52,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52 WrapperNode [2024-11-28 03:10:52,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:10:52,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:52,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:10:52,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:10:52,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,386 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2024-11-28 03:10:52,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:10:52,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:10:52,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:10:52,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:10:52,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,430 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 03:10:52,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:10:52,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:10:52,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:10:52,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:10:52,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (1/1) ... [2024-11-28 03:10:52,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:10:52,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:52,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:10:52,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:10:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:10:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:10:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:10:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:10:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:10:52,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:10:52,678 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:10:52,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:10:53,141 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:10:53,142 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:10:53,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:10:53,156 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:10:53,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:53 BoogieIcfgContainer [2024-11-28 03:10:53,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:10:53,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:10:53,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:10:53,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:10:53,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:51" (1/3) ... [2024-11-28 03:10:53,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e77eafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:53, skipping insertion in model container [2024-11-28 03:10:53,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:52" (2/3) ... [2024-11-28 03:10:53,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e77eafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:53, skipping insertion in model container [2024-11-28 03:10:53,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:53" (3/3) ... [2024-11-28 03:10:53,171 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-11-28 03:10:53,193 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:10:53,195 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-30.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:10:53,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:10:53,316 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;@533eeffd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:10:53,316 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:10:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:10:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:10:53,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:53,336 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:53,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:53,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:53,345 INFO L85 PathProgramCache]: Analyzing trace with hash -947407318, now seen corresponding path program 1 times [2024-11-28 03:10:53,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:53,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772828124] [2024-11-28 03:10:53,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:53,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:10:53,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:53,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772828124] [2024-11-28 03:10:53,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772828124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:53,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640638781] [2024-11-28 03:10:53,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:53,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:53,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:10:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:54,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:10:54,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:10:54,162 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:10:54,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640638781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:54,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:10:54,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:10:54,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019977383] [2024-11-28 03:10:54,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:54,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:10:54,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:54,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:10:54,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:10:54,207 INFO L87 Difference]: Start difference. First operand has 71 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:10:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:54,241 INFO L93 Difference]: Finished difference Result 135 states and 230 transitions. [2024-11-28 03:10:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:10:54,244 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2024-11-28 03:10:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:54,253 INFO L225 Difference]: With dead ends: 135 [2024-11-28 03:10:54,253 INFO L226 Difference]: Without dead ends: 67 [2024-11-28 03:10:54,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 03:10:54,262 INFO L435 NwaCegarLoop]: 102 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, 102 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 03:10:54,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:10:54,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-28 03:10:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-28 03:10:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 47 states have internal predecessors, (66), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:10:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2024-11-28 03:10:54,339 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 121 [2024-11-28 03:10:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:54,340 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2024-11-28 03:10:54,341 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:10:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-28 03:10:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:10:54,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:54,350 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:54,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:54,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:54,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:54,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash -150365154, now seen corresponding path program 1 times [2024-11-28 03:10:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:54,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383365714] [2024-11-28 03:10:54,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 03:10:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:56,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383365714] [2024-11-28 03:10:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383365714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:56,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122071150] [2024-11-28 03:10:56,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:56,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:56,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:10:56,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:10:56,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:10:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:56,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:10:56,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-28 03:10:56,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 03:10:57,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122071150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:10:57,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:10:57,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-11-28 03:10:57,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144626108] [2024-11-28 03:10:57,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:10:57,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:10:57,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:57,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:10:57,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:10:57,365 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-28 03:10:58,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:58,218 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2024-11-28 03:10:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:10:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 121 [2024-11-28 03:10:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:58,222 INFO L225 Difference]: With dead ends: 153 [2024-11-28 03:10:58,222 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:10:58,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 236 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:10:58,225 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 374 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:58,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 313 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:10:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:10:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-11-28 03:10:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.271186440677966) internal successors, (75), 60 states have internal predecessors, (75), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:10:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2024-11-28 03:10:58,250 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 121 [2024-11-28 03:10:58,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:58,251 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2024-11-28 03:10:58,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-28 03:10:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2024-11-28 03:10:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:10:58,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:58,254 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:58,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:58,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:10:58,455 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:58,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1339975207, now seen corresponding path program 1 times [2024-11-28 03:10:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947872326] [2024-11-28 03:10:58,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 03:10:58,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:10:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947872326] [2024-11-28 03:10:58,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947872326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:10:58,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:10:58,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:10:58,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320898209] [2024-11-28 03:10:58,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:10:58,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:10:58,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:10:58,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:10:58,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:58,868 INFO L87 Difference]: Start difference. First operand 86 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:10:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:59,051 INFO L93 Difference]: Finished difference Result 214 states and 304 transitions. [2024-11-28 03:10:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:10:59,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2024-11-28 03:10:59,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:59,059 INFO L225 Difference]: With dead ends: 214 [2024-11-28 03:10:59,059 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 03:10:59,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:10:59,061 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 108 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:59,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 224 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:10:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 03:10:59,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 99. [2024-11-28 03:10:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 73 states have internal predecessors, (96), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:10:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 140 transitions. [2024-11-28 03:10:59,091 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 140 transitions. Word has length 123 [2024-11-28 03:10:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:59,093 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 140 transitions. [2024-11-28 03:10:59,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:10:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2024-11-28 03:10:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:10:59,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:59,098 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:59,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:10:59,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash 318906853, now seen corresponding path program 1 times [2024-11-28 03:10:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:10:59,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672716686] [2024-11-28 03:10:59,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:59,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:10:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:59,168 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:10:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:10:59,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:10:59,302 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:10:59,304 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:10:59,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:10:59,310 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 03:10:59,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:10:59,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:59 BoogieIcfgContainer [2024-11-28 03:10:59,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:10:59,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:10:59,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:10:59,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:10:59,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:53" (3/4) ... [2024-11-28 03:10:59,477 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:10:59,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:10:59,480 INFO L158 Benchmark]: Toolchain (without parser) took 7644.50ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 85.8MB in the end (delta: 7.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-28 03:10:59,480 INFO L158 Benchmark]: CDTParser took 1.80ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:10:59,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.30ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:10:59,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:10:59,481 INFO L158 Benchmark]: Boogie Preprocessor took 89.18ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:10:59,482 INFO L158 Benchmark]: RCFGBuilder took 679.84ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 58.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:10:59,482 INFO L158 Benchmark]: TraceAbstraction took 6309.07ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 85.8MB in the end (delta: -28.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-11-28 03:10:59,482 INFO L158 Benchmark]: Witness Printer took 8.90ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:10:59,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.30ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 79.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 89.18ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 679.84ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 58.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6309.07ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 85.8MB in the end (delta: -28.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 8.90ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_2 = -256; [L24] signed long int var_1_3 = 256; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 127.5; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 10000000000000.125; [L29] double var_1_8 = 1.25; [L30] double var_1_9 = 4.125; [L31] double var_1_10 = 25.7; [L32] signed long int var_1_11 = -2; [L33] double var_1_12 = 49.75; [L34] signed long int var_1_13 = 5; [L35] signed long int var_1_14 = 128; [L36] signed long int var_1_15 = 1000; [L37] double var_1_16 = 0.2; [L38] double var_1_17 = 0.25; [L39] double var_1_18 = 99999999999999.5; VAL [isInitial=0, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L131] isInitial = 1 [L132] FCALL initially() [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L94] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L96] var_1_3 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L97] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L99] var_1_4 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L100] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L105] var_1_7 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && 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=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L106] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L107] var_1_9 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L108] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L109] var_1_10 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L111] var_1_12 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L112] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L113] var_1_13 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L114] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L115] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L115] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L116] var_1_14 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L117] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L118] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L118] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L120] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L121] var_1_18 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L122] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L135] RET updateVariables() [L136] CALL step() [L43] COND FALSE !((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L46] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L47] COND FALSE !(var_1_2 >= var_1_3) [L52] var_1_5 = var_1_7 VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=5/4] [L55] COND FALSE !(10.55f < var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=5/4] [L60] COND TRUE var_1_5 > var_1_7 [L61] var_1_8 = var_1_10 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L66] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L67] COND TRUE ((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12 [L68] var_1_11 = ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L73] EXPR var_1_3 & var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L73] COND FALSE !((- var_1_2) > (var_1_3 & var_1_13)) [L84] var_1_15 = var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L86] COND TRUE ((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7 [L87] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L127-L128] return (((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L19] reach_error() VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 483 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 639 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 344 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 295 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 360 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 3 MinimizatonAttempts, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1361 SizeOfPredicates, 1 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 3488/3672 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 03:10:59,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:11:03,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:11:03,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:11:03,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:11:03,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:11:03,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:11:03,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:11:03,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:11:03,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:11:03,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:11:03,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:11:03,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:11:03,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:11:03,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:11:03,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:11:03,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:11:03,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:11:03,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:11:03,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:11:03,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:11:03,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:11:03,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:11:03,419 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:11:03,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:11:03,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:11:03,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:11:03,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:03,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:11:03,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:03,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:11:03,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:11:03,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:11:03,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:11:03,424 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-11-28 03:11:03,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:11:03,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:11:03,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:11:03,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:11:03,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:11:03,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-28 03:11:07,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/cd0297af5/647f94610b874b3da60202aafddf6cb5/FLAGb803b3abc [2024-11-28 03:11:08,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:11:08,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-28 03:11:08,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/cd0297af5/647f94610b874b3da60202aafddf6cb5/FLAGb803b3abc [2024-11-28 03:11:08,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/data/cd0297af5/647f94610b874b3da60202aafddf6cb5 [2024-11-28 03:11:08,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:11:08,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:11:08,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:08,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:11:08,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:11:08,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8be3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08, skipping insertion in model container [2024-11-28 03:11:08,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:11:08,542 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i[913,926] [2024-11-28 03:11:08,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:08,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:11:08,657 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_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i[913,926] [2024-11-28 03:11:08,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:11:08,713 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:11:08,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08 WrapperNode [2024-11-28 03:11:08,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:11:08,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:08,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:11:08,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:11:08,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,788 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-28 03:11:08,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:11:08,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:11:08,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:11:08,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:11:08,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,822 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 03:11:08,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:11:08,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:11:08,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:11:08,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:11:08,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (1/1) ... [2024-11-28 03:11:08,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:11:08,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:11:08,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:11:08,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:11:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:11:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:11:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:11:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:11:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:11:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:11:09,043 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:11:09,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:11:21,622 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:11:21,623 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:11:21,641 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:11:21,641 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:11:21,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:21 BoogieIcfgContainer [2024-11-28 03:11:21,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:11:21,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:11:21,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:11:21,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:11:21,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:08" (1/3) ... [2024-11-28 03:11:21,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1f978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:21, skipping insertion in model container [2024-11-28 03:11:21,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:08" (2/3) ... [2024-11-28 03:11:21,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1f978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:21, skipping insertion in model container [2024-11-28 03:11:21,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:21" (3/3) ... [2024-11-28 03:11:21,659 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-11-28 03:11:21,678 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:11:21,680 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-30.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:11:21,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:11:21,776 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;@3046e3c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:11:21,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:11:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:11:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:11:21,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:21,797 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:21,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:11:21,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:21,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1661652894, now seen corresponding path program 1 times [2024-11-28 03:11:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:11:21,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125092277] [2024-11-28 03:11:21,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:21,827 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 03:11:21,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:11:21,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:21,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:22,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:11:22,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 03:11:22,669 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:22,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:11:22,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125092277] [2024-11-28 03:11:22,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125092277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:22,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:22,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:11:22,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158022756] [2024-11-28 03:11:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:22,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:11:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:11:22,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:11:22,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:11:22,713 INFO L87 Difference]: Start difference. First operand has 62 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:11:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:22,763 INFO L93 Difference]: Finished difference Result 117 states and 202 transitions. [2024-11-28 03:11:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:11:22,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2024-11-28 03:11:22,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:22,779 INFO L225 Difference]: With dead ends: 117 [2024-11-28 03:11:22,779 INFO L226 Difference]: Without dead ends: 58 [2024-11-28 03:11:22,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 03:11:22,791 INFO L435 NwaCegarLoop]: 88 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, 88 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 03:11:22,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:11:22,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-28 03:11:22,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-28 03:11:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:11:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 88 transitions. [2024-11-28 03:11:22,869 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 88 transitions. Word has length 118 [2024-11-28 03:11:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:22,872 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 88 transitions. [2024-11-28 03:11:22,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:11:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-28 03:11:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:11:22,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:22,880 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:22,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:23,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:23,082 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:11:23,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:23,084 INFO L85 PathProgramCache]: Analyzing trace with hash 448777770, now seen corresponding path program 1 times [2024-11-28 03:11:23,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:11:23,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179976506] [2024-11-28 03:11:23,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:23,086 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 03:11:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:11:23,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:23,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:23,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:11:23,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-28 03:11:26,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:11:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-28 03:11:27,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:11:27,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179976506] [2024-11-28 03:11:27,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179976506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:11:27,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:11:27,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-28 03:11:27,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43400545] [2024-11-28 03:11:27,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:11:27,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:11:27,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:11:27,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:11:27,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:11:27,762 INFO L87 Difference]: Start difference. First operand 58 states and 88 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-28 03:11:33,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:37,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:41,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:44,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:11:44,636 INFO L93 Difference]: Finished difference Result 133 states and 195 transitions. [2024-11-28 03:11:44,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:11:44,638 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 118 [2024-11-28 03:11:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:11:44,644 INFO L225 Difference]: With dead ends: 133 [2024-11-28 03:11:44,645 INFO L226 Difference]: Without dead ends: 78 [2024-11-28 03:11:44,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:11:44,648 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 166 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 96 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:11:44,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 209 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 186 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2024-11-28 03:11:44,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-28 03:11:44,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2024-11-28 03:11:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 48 states have internal predecessors, (58), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:11:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2024-11-28 03:11:44,675 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 118 [2024-11-28 03:11:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:11:44,676 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2024-11-28 03:11:44,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-28 03:11:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2024-11-28 03:11:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:11:44,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:11:44,679 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:44,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:44,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:44,881 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:11:44,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:11:44,884 INFO L85 PathProgramCache]: Analyzing trace with hash 489199809, now seen corresponding path program 1 times [2024-11-28 03:11:44,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:11:44,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113147641] [2024-11-28 03:11:44,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:11:44,885 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 03:11:44,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:11:44,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:44,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:11:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:11:45,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:11:45,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 03:11:45,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:11:45,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:11:45,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113147641] [2024-11-28 03:11:45,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113147641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:11:45,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:11:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:11:45,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072627382] [2024-11-28 03:11:45,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:11:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:11:45,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:11:45,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:11:45,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:11:45,741 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:11:48,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:51,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:55,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:56,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:11:58,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:12:02,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:12:04,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:12:08,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:12:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:12:08,668 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2024-11-28 03:12:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:12:08,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2024-11-28 03:12:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:12:08,675 INFO L225 Difference]: With dead ends: 177 [2024-11-28 03:12:08,675 INFO L226 Difference]: Without dead ends: 114 [2024-11-28 03:12:08,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:12:08,677 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 44 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:12:08,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 174 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 22.9s Time] [2024-11-28 03:12:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-28 03:12:08,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-11-28 03:12:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 74 states have (on average 1.2432432432432432) internal successors, (92), 76 states have internal predecessors, (92), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 03:12:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 152 transitions. [2024-11-28 03:12:08,706 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 152 transitions. Word has length 120 [2024-11-28 03:12:08,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:12:08,707 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 152 transitions. [2024-11-28 03:12:08,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:12:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2024-11-28 03:12:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:12:08,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:12:08,711 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:12:08,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:12:08,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:12:08,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:12:08,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:12:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1169258179, now seen corresponding path program 1 times [2024-11-28 03:12:08,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:12:08,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493994903] [2024-11-28 03:12:08,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:12:08,915 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 03:12:08,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:12:08,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:12:08,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6ea57b-f7fa-4f86-b566-4a953e6555ea/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 03:12:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:12:09,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 03:12:09,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:14:25,639 WARN L286 SmtUtils]: Spent 37.51s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)