./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme --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 5f7089906045f68da9fc900e2f38b68a58c1b0c4f2e88e8e487f0f744e1e424c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:55,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:55,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:42:55,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:55,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:55,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:55,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:55,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:55,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:55,239 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:55,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:42:55,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:42:55,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:55,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:55,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:55,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:55,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:42:55,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:42:55,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:55,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:42:55,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:55,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:42:55,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:42:55,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:42:55,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:42:55,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:55,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:55,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:55,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:55,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:42:55,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:42:55,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:55,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:55,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:42:55,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:42:55,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:55,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:42:55,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:42:55,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:42:55,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:42:55,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:42:55,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:42:55,256 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f7089906045f68da9fc900e2f38b68a58c1b0c4f2e88e8e487f0f744e1e424c [2023-11-26 10:42:55,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:55,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:55,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:55,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:55,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:55,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i [2023-11-26 10:42:58,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:59,086 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:59,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i [2023-11-26 10:42:59,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/d9e1396ee/58dccf79f7654c309c23e55bd0d4e87e/FLAGa5bd0b235 [2023-11-26 10:42:59,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/d9e1396ee/58dccf79f7654c309c23e55bd0d4e87e [2023-11-26 10:42:59,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:59,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:59,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:59,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:59,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:59,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f0164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59, skipping insertion in model container [2023-11-26 10:42:59,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:59,341 WARN L240 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_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i[913,926] [2023-11-26 10:42:59,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:59,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:59,438 WARN L240 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_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i[913,926] [2023-11-26 10:42:59,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:59,500 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:59,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59 WrapperNode [2023-11-26 10:42:59,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:59,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:59,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:59,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:59,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,604 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-26 10:42:59,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:59,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:59,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:59,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:59,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,645 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]. [2023-11-26 10:42:59,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:59,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:59,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:59,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:59,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (1/1) ... [2023-11-26 10:42:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:59,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:59,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:42:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:42:59,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:00,003 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:00,005 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:00,578 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:00,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:00,633 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:00,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:00 BoogieIcfgContainer [2023-11-26 10:43:00,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:00,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:00,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:00,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:00,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:42:59" (1/3) ... [2023-11-26 10:43:00,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea5248c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:00, skipping insertion in model container [2023-11-26 10:43:00,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:59" (2/3) ... [2023-11-26 10:43:00,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea5248c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:00, skipping insertion in model container [2023-11-26 10:43:00,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:00" (3/3) ... [2023-11-26 10:43:00,646 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-97.i [2023-11-26 10:43:00,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:00,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:43:00,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:00,730 INFO L357 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, mHoare=true, 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;@610e991d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:00,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:43:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:00,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-26 10:43:00,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:00,756 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:00,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:00,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:00,762 INFO L85 PathProgramCache]: Analyzing trace with hash 304041959, now seen corresponding path program 1 times [2023-11-26 10:43:00,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:00,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359319902] [2023-11-26 10:43:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:43:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:43:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:43:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:43:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:43:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:43:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:43:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:43:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:43:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:43:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:43:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-26 10:43:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 10:43:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-26 10:43:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-26 10:43:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 10:43:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-26 10:43:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-26 10:43:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-26 10:43:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 10:43:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-26 10:43:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-26 10:43:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-26 10:43:01,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359319902] [2023-11-26 10:43:01,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359319902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:01,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:01,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914891580] [2023-11-26 10:43:01,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:01,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:43:01,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:43:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:01,301 INFO L87 Difference]: Start difference. First operand has 87 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-26 10:43:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:01,362 INFO L93 Difference]: Finished difference Result 169 states and 302 transitions. [2023-11-26 10:43:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:43:01,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 170 [2023-11-26 10:43:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:01,374 INFO L225 Difference]: With dead ends: 169 [2023-11-26 10:43:01,375 INFO L226 Difference]: Without dead ends: 83 [2023-11-26 10:43:01,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:01,384 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:01,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-26 10:43:01,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-26 10:43:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2023-11-26 10:43:01,449 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 170 [2023-11-26 10:43:01,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:01,450 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2023-11-26 10:43:01,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-26 10:43:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-11-26 10:43:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-26 10:43:01,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:01,457 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:01,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:01,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:01,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:01,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1572131755, now seen corresponding path program 1 times [2023-11-26 10:43:01,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:01,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110381544] [2023-11-26 10:43:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:01,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:43:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:43:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:43:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:43:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:43:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:43:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:43:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:43:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:43:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:43:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:43:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-26 10:43:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 10:43:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-26 10:43:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-26 10:43:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 10:43:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-26 10:43:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-26 10:43:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-26 10:43:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 10:43:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-26 10:43:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-26 10:43:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-26 10:43:02,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:02,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110381544] [2023-11-26 10:43:02,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110381544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:02,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:02,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:02,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213930723] [2023-11-26 10:43:02,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:02,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:43:02,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:02,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:02,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:43:02,609 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-26 10:43:02,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:02,728 INFO L93 Difference]: Finished difference Result 166 states and 256 transitions. [2023-11-26 10:43:02,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:02,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-26 10:43:02,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:02,733 INFO L225 Difference]: With dead ends: 166 [2023-11-26 10:43:02,733 INFO L226 Difference]: Without dead ends: 84 [2023-11-26 10:43:02,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:02,736 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 55 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:02,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 295 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-26 10:43:02,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2023-11-26 10:43:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2023-11-26 10:43:02,754 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 170 [2023-11-26 10:43:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:02,757 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2023-11-26 10:43:02,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-26 10:43:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-26 10:43:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-26 10:43:02,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:02,762 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:02,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:43:02,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:02,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1661892912, now seen corresponding path program 1 times [2023-11-26 10:43:02,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:02,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251745636] [2023-11-26 10:43:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,876 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-26 10:43:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:43:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:43:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:43:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:43:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:43:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:43:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:43:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:43:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:43:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:43:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:43:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-26 10:43:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 10:43:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-26 10:43:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-26 10:43:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 10:43:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-26 10:43:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-26 10:43:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-26 10:43:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 10:43:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-26 10:43:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-26 10:43:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-26 10:43:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:24,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251745636] [2023-11-26 10:43:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251745636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:24,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:24,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 10:43:24,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866529405] [2023-11-26 10:43:24,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:24,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 10:43:24,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:24,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 10:43:24,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:43:24,017 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-26 10:43:26,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:43:34,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:43:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:35,004 INFO L93 Difference]: Finished difference Result 231 states and 348 transitions. [2023-11-26 10:43:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:43:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2023-11-26 10:43:35,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:35,012 INFO L225 Difference]: With dead ends: 231 [2023-11-26 10:43:35,012 INFO L226 Difference]: Without dead ends: 149 [2023-11-26 10:43:35,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:43:35,016 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 228 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:35,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 580 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-26 10:43:35,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-26 10:43:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 96. [2023-11-26 10:43:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 147 transitions. [2023-11-26 10:43:35,037 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 147 transitions. Word has length 172 [2023-11-26 10:43:35,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:35,038 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 147 transitions. [2023-11-26 10:43:35,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-26 10:43:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2023-11-26 10:43:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-26 10:43:35,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:35,043 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:35,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:43:35,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:35,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2046268370, now seen corresponding path program 1 times [2023-11-26 10:43:35,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144817568] [2023-11-26 10:43:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:35,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:35,341 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:43:35,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:43:35,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:43:35,352 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:43:35,356 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:35,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 10:43:35,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 10:43:35,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated [2023-11-26 10:43:35,471 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated [2023-11-26 10:43:35,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 10:43:35,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated [2023-11-26 10:43:35,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 10:43:35,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated [2023-11-26 10:43:35,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:35 BoogieIcfgContainer [2023-11-26 10:43:35,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:35,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:35,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:35,513 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:35,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:00" (3/4) ... [2023-11-26 10:43:35,516 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:43:35,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:35,518 INFO L158 Benchmark]: Toolchain (without parser) took 36394.65ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 86.9MB in the beginning and 162.4MB in the end (delta: -75.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,518 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:35,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.76ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 72.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.62ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 67.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,520 INFO L158 Benchmark]: Boogie Preprocessor took 79.80ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 60.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,520 INFO L158 Benchmark]: RCFGBuilder took 950.06ms. Allocated memory is still 130.0MB. Free memory was 60.7MB in the beginning and 76.8MB in the end (delta: -16.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,520 INFO L158 Benchmark]: TraceAbstraction took 34874.25ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 76.1MB in the beginning and 163.4MB in the end (delta: -87.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:35,521 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 220.2MB. Free memory was 163.4MB in the beginning and 162.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:35,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.76ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 72.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.62ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 67.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.80ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 60.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 950.06ms. Allocated memory is still 130.0MB. Free memory was 60.7MB in the beginning and 76.8MB in the end (delta: -16.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34874.25ms. Allocated memory was 130.0MB in the beginning and 220.2MB in the end (delta: 90.2MB). Free memory was 76.1MB in the beginning and 163.4MB in the end (delta: -87.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 220.2MB. Free memory was 163.4MB in the beginning and 162.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short27 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] unsigned short int var_1_2 = 16; [L24] unsigned short int var_1_3 = 32; [L25] unsigned char var_1_4 = 1; [L26] signed long int var_1_5 = 5; [L27] signed long int var_1_6 = 2; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] float var_1_9 = 128.6; [L31] float var_1_10 = 32.5; [L32] unsigned char var_1_11 = 16; [L33] unsigned char var_1_12 = 64; [L34] unsigned char var_1_13 = 4; [L35] unsigned char var_1_14 = 4; [L36] unsigned long int var_1_15 = 0; [L37] signed short int var_1_16 = 0; [L38] signed char var_1_17 = 1; [L39] signed char var_1_18 = -1; [L40] signed char var_1_19 = 0; [L41] signed long int var_1_20 = -64; [L42] signed long int var_1_21 = 25; [L43] unsigned char var_1_22 = 0; [L44] unsigned char var_1_23 = 0; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L93] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L94] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L94] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L95] var_1_3 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L97] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L97] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L99] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L100] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L100] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L101] var_1_6 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L102] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L103] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L103] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L104] var_1_7 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_8=0, var_1_9=643/5] [L105] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_8=0, var_1_9=643/5] [L106] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L106] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L107] var_1_9 = __VERIFIER_nondet_float() [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=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [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=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L109] var_1_10 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L111] var_1_11 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L112] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L113] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L113] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_11=127, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L114] var_1_12 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L115] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L116] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L116] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L117] var_1_13 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L118] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L119] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L119] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L120] var_1_14 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L121] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L122] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L122] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L123] var_1_18 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L124] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L125] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L125] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L126] var_1_19 = __VERIFIER_nondet_char() [L127] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L127] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L128] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L128] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L129] var_1_21 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_21 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L130] RET assume_abort_if_not(var_1_21 >= -2147483647) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L131] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L131] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L132] var_1_23 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L133] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L134] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L134] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=2, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L147] RET updateVariables() [L148] CALL step() [L48] COND FALSE !((var_1_2 + var_1_3) < -200) [L59] var_1_1 = var_1_2 VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_4=0, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0] [L61] COND TRUE 256 > (var_1_3 - (var_1_2 + var_1_6)) [L62] var_1_5 = var_1_2 VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L72] COND FALSE !(var_1_9 > var_1_10) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L75] COND TRUE \read(var_1_7) [L76] var_1_15 = var_1_6 VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L78] var_1_16 = (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=1, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L79] COND FALSE !(\read(var_1_4)) [L86] var_1_17 = -32 VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-64, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L88] var_1_20 = var_1_21 [L89] var_1_22 = var_1_23 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR (((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000)))) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L139] EXPR (256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L139] EXPR (((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000)))) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L139] EXPR (((((((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_7 ? (var_1_15 == ((unsigned long int) var_1_6)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_4 ? ((var_1_14 < (var_1_13 & (var_1_16 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) VAL [isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L139-L140] return (((((((((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_7 ? (var_1_15 == ((unsigned long int) var_1_6)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_4 ? ((var_1_14 < (var_1_13 & (var_1_16 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_11=127, var_1_12=63, var_1_13=63, var_1_14=122, var_1_15=0, var_1_16=-127, var_1_17=-32, var_1_18=32, var_1_19=16, var_1_1=0, var_1_20=-2147483647, var_1_21=-2147483647, var_1_22=0, var_1_23=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.6s, OverallIterations: 4, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 999 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 655 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 344 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 54 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 509 ConstructedInterpolants, 0 QuantifiedInterpolants, 5841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4536/4536 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:43:35,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme --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 5f7089906045f68da9fc900e2f38b68a58c1b0c4f2e88e8e487f0f744e1e424c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:38,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:38,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:43:38,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:38,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:38,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:38,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:38,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:38,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:38,794 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:38,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:38,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:38,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:38,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:38,799 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:38,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:38,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:38,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:38,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:38,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:38,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:38,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:38,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:38,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:43:38,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:43:38,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:43:38,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:38,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:38,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:38,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:38,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:38,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:38,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:38,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:38,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:38,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:38,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:38,815 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:43:38,816 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:43:38,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:38,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:38,817 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:38,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:38,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:38,819 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:43:38,819 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f7089906045f68da9fc900e2f38b68a58c1b0c4f2e88e8e487f0f744e1e424c [2023-11-26 10:43:39,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:39,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:39,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:39,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:39,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:39,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i [2023-11-26 10:43:42,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:42,849 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:42,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i [2023-11-26 10:43:42,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/a53feb699/73f9380b14c54946afb4ac4bf651585c/FLAG66289c0fb [2023-11-26 10:43:42,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/data/a53feb699/73f9380b14c54946afb4ac4bf651585c [2023-11-26 10:43:42,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:42,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:42,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:42,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:42,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:42,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a872db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42, skipping insertion in model container [2023-11-26 10:43:42,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:43,220 WARN L240 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_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i[913,926] [2023-11-26 10:43:43,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:43,387 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:43,410 WARN L240 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_d10fca1b-3623-4c25-b015-7f2fac8a1203/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-97.i[913,926] [2023-11-26 10:43:43,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:43,472 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:43,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43 WrapperNode [2023-11-26 10:43:43,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:43,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:43,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:43,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:43,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,566 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-11-26 10:43:43,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:43,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:43,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:43,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:43,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,624 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]. [2023-11-26 10:43:43,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:43,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:43,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:43,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:43,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:43,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:43,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:43,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:43,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:43:43,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:43:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:43:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:43,945 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:43,947 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:44,354 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:44,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:44,431 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:44,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:44 BoogieIcfgContainer [2023-11-26 10:43:44,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:44,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:44,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:44,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:44,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:42" (1/3) ... [2023-11-26 10:43:44,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523aebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:44, skipping insertion in model container [2023-11-26 10:43:44,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43" (2/3) ... [2023-11-26 10:43:44,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523aebde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:44, skipping insertion in model container [2023-11-26 10:43:44,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:44" (3/3) ... [2023-11-26 10:43:44,442 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-97.i [2023-11-26 10:43:44,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:44,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:43:44,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:44,527 INFO L357 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, mHoare=true, 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;@1ba169a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:44,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:43:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 10:43:44,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:44,556 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:44,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:44,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1755704202, now seen corresponding path program 1 times [2023-11-26 10:43:44,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:43:44,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735602111] [2023-11-26 10:43:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,587 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 [2023-11-26 10:43:44,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:43:44,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:43:44,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:43:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:43:44,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-26 10:43:44,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:44,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:43:44,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735602111] [2023-11-26 10:43:44,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735602111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:44,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978927022] [2023-11-26 10:43:44,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:43:44,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:43:45,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:43:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:45,048 INFO L87 Difference]: Start difference. First operand has 67 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-26 10:43:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:45,171 INFO L93 Difference]: Finished difference Result 129 states and 236 transitions. [2023-11-26 10:43:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:43:45,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 166 [2023-11-26 10:43:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:45,202 INFO L225 Difference]: With dead ends: 129 [2023-11-26 10:43:45,202 INFO L226 Difference]: Without dead ends: 63 [2023-11-26 10:43:45,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:45,216 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:45,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:43:45,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-26 10:43:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-26 10:43:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:43:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 96 transitions. [2023-11-26 10:43:45,319 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 96 transitions. Word has length 166 [2023-11-26 10:43:45,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:45,319 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 96 transitions. [2023-11-26 10:43:45,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-26 10:43:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-26 10:43:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 10:43:45,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:45,338 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 10:43:45,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:43:45,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:45,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,547 INFO L85 PathProgramCache]: Analyzing trace with hash -33820338, now seen corresponding path program 1 times [2023-11-26 10:43:45,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:43:45,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642200000] [2023-11-26 10:43:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,548 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 [2023-11-26 10:43:45,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:43:45,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:43:45,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10fca1b-3623-4c25-b015-7f2fac8a1203/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:43:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-26 10:43:46,320 INFO L285 TraceCheckSpWp]: Computing forward predicates...