./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya --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 fec4b280805184c749824e312e7f34c74619d41e7a9bdd7fa1e8580eb2148883 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:09:03,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:09:03,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:09:03,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:09:03,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:09:03,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:09:03,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:09:03,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:09:03,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:09:03,168 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:09:03,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:09:03,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:09:03,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:09:03,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:09:03,171 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:09:03,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:09:03,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:09:03,173 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:09:03,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:09:03,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:09:03,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:09:03,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:09:03,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:09:03,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:09:03,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:09:03,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:09:03,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:09:03,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:09:03,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:09:03,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:09:03,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:09:03,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:03,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:09:03,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:09:03,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:09:03,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:09:03,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:09:03,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:09:03,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:09:03,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:09:03,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:09:03,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:09:03,183 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_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fec4b280805184c749824e312e7f34c74619d41e7a9bdd7fa1e8580eb2148883 [2023-11-29 00:09:03,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:09:03,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:09:03,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:09:03,419 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:09:03,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:09:03,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:06,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:09:06,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:09:06,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:06,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/40af0453d/b2bd797ee8ad4d308d6bf40678979263/FLAG77f2016e5 [2023-11-29 00:09:06,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/40af0453d/b2bd797ee8ad4d308d6bf40678979263 [2023-11-29 00:09:06,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:09:06,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:09:06,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:06,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:09:06,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:09:06,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e49d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06, skipping insertion in model container [2023-11-29 00:09:06,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:09:06,560 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_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i[919,932] [2023-11-29 00:09:06,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:06,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:09:06,639 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_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i[919,932] [2023-11-29 00:09:06,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:06,685 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:09:06,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06 WrapperNode [2023-11-29 00:09:06,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:06,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:06,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:09:06,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:09:06,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,736 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-29 00:09:06,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:06,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:09:06,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:09:06,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:09:06,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,769 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]. [2023-11-29 00:09:06,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:09:06,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:09:06,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:09:06,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:09:06,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (1/1) ... [2023-11-29 00:09:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:06,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:09:06,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:09:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:09:06,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:09:06,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:09:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:09:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:09:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:09:06,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:09:06,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:09:07,252 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:09:07,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:09:07,309 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:09:07,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:07 BoogieIcfgContainer [2023-11-29 00:09:07,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:09:07,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:09:07,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:09:07,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:09:07,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:09:06" (1/3) ... [2023-11-29 00:09:07,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19677bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:07, skipping insertion in model container [2023-11-29 00:09:07,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:06" (2/3) ... [2023-11-29 00:09:07,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19677bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:07, skipping insertion in model container [2023-11-29 00:09:07,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:07" (3/3) ... [2023-11-29 00:09:07,318 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:07,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:09:07,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:09:07,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:09:07,390 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;@61ffd65d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:09:07,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:09:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.56) internal successors, (78), 51 states have internal predecessors, (78), 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) [2023-11-29 00:09:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:07,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:07,414 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, 1] [2023-11-29 00:09:07,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:07,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash 951770336, now seen corresponding path program 1 times [2023-11-29 00:09:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:07,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433468681] [2023-11-29 00:09:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:07,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:07,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433468681] [2023-11-29 00:09:07,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 00:09:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143943750] [2023-11-29 00:09:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:07,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:07,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:07,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:09:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:07,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:09:07,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-29 00:09:07,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:07,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143943750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:07,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:07,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:09:07,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890046473] [2023-11-29 00:09:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:09:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:07,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:09:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:07,893 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.56) internal successors, (78), 51 states have internal predecessors, (78), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 00:09:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:07,934 INFO L93 Difference]: Finished difference Result 158 states and 292 transitions. [2023-11-29 00:09:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:09:07,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 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 173 [2023-11-29 00:09:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:07,945 INFO L225 Difference]: With dead ends: 158 [2023-11-29 00:09:07,945 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 00:09:07,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:07,953 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:07,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 00:09:08,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-29 00:09:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2023-11-29 00:09:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 126 transitions. [2023-11-29 00:09:08,005 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 126 transitions. Word has length 173 [2023-11-29 00:09:08,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:08,006 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 126 transitions. [2023-11-29 00:09:08,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 00:09:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2023-11-29 00:09:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:08,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:08,011 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, 1] [2023-11-29 00:09:08,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:08,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 00:09:08,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:08,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:08,218 INFO L85 PathProgramCache]: Analyzing trace with hash 575613212, now seen corresponding path program 1 times [2023-11-29 00:09:08,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:08,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451434163] [2023-11-29 00:09:08,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:08,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:08,300 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:08,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396308175] [2023-11-29 00:09:08,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:08,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:08,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:08,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:08,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:09:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:08,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:08,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:08,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:08,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:08,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451434163] [2023-11-29 00:09:08,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:09:08,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396308175] [2023-11-29 00:09:08,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396308175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:08,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:08,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:09:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371163374] [2023-11-29 00:09:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:08,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:08,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:08,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:08,530 INFO L87 Difference]: Start difference. First operand 78 states and 126 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:08,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:08,592 INFO L93 Difference]: Finished difference Result 179 states and 284 transitions. [2023-11-29 00:09:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:08,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 173 [2023-11-29 00:09:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:08,597 INFO L225 Difference]: With dead ends: 179 [2023-11-29 00:09:08,597 INFO L226 Difference]: Without dead ends: 102 [2023-11-29 00:09:08,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:08,600 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 27 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:08,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 236 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-29 00:09:08,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2023-11-29 00:09:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 67 states have internal predecessors, (94), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 00:09:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 154 transitions. [2023-11-29 00:09:08,620 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 154 transitions. Word has length 173 [2023-11-29 00:09:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:08,621 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 154 transitions. [2023-11-29 00:09:08,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2023-11-29 00:09:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:09:08,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:08,625 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, 1, 1] [2023-11-29 00:09:08,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:09:08,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:08,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:08,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:08,833 INFO L85 PathProgramCache]: Analyzing trace with hash 367832195, now seen corresponding path program 1 times [2023-11-29 00:09:08,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:08,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616897595] [2023-11-29 00:09:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:08,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:08,888 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:08,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381734200] [2023-11-29 00:09:08,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:08,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:08,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:09:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:09,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:09,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:09,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:09,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:09,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616897595] [2023-11-29 00:09:09,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:09:09,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381734200] [2023-11-29 00:09:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381734200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:09,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:09,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:09:09,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566655461] [2023-11-29 00:09:09,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:09,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:09,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:09,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:09,079 INFO L87 Difference]: Start difference. First operand 99 states and 154 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 00:09:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:09,136 INFO L93 Difference]: Finished difference Result 281 states and 437 transitions. [2023-11-29 00:09:09,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:09,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 174 [2023-11-29 00:09:09,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:09,142 INFO L225 Difference]: With dead ends: 281 [2023-11-29 00:09:09,142 INFO L226 Difference]: Without dead ends: 183 [2023-11-29 00:09:09,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:09,145 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 106 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:09,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 320 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-29 00:09:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 112. [2023-11-29 00:09:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 80 states have internal predecessors, (114), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 00:09:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 174 transitions. [2023-11-29 00:09:09,193 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 174 transitions. Word has length 174 [2023-11-29 00:09:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:09,194 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 174 transitions. [2023-11-29 00:09:09,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 00:09:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 174 transitions. [2023-11-29 00:09:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:09:09,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:09,199 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, 1, 1] [2023-11-29 00:09:09,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:09:09,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:09,405 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:09,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:09,406 INFO L85 PathProgramCache]: Analyzing trace with hash 399168805, now seen corresponding path program 1 times [2023-11-29 00:09:09,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:09,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60340858] [2023-11-29 00:09:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:09,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941943668] [2023-11-29 00:09:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:09,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:09,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:09,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:09,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:09:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:09,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:09,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2023-11-29 00:09:09,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:09,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60340858] [2023-11-29 00:09:09,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:09:09,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941943668] [2023-11-29 00:09:09,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941943668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:09,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:09,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:09:09,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49926641] [2023-11-29 00:09:09,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:09,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:09,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:09,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:09,737 INFO L87 Difference]: Start difference. First operand 112 states and 174 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2023-11-29 00:09:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:09,773 INFO L93 Difference]: Finished difference Result 223 states and 347 transitions. [2023-11-29 00:09:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:09,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 174 [2023-11-29 00:09:09,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:09,777 INFO L225 Difference]: With dead ends: 223 [2023-11-29 00:09:09,777 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 00:09:09,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:09,779 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:09,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 114 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:09,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 00:09:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-29 00:09:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 00:09:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 173 transitions. [2023-11-29 00:09:09,795 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 173 transitions. Word has length 174 [2023-11-29 00:09:09,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:09,796 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 173 transitions. [2023-11-29 00:09:09,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2023-11-29 00:09:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2023-11-29 00:09:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:09:09,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:09,800 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, 1, 1] [2023-11-29 00:09:09,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:10,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:10,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:10,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:10,001 INFO L85 PathProgramCache]: Analyzing trace with hash 401015847, now seen corresponding path program 1 times [2023-11-29 00:09:10,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:10,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784661422] [2023-11-29 00:09:10,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:10,038 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:10,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780589808] [2023-11-29 00:09:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:10,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:10,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:09:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:10,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:09:10,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 929 proven. 12 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-11-29 00:09:10,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 00:09:10,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:10,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784661422] [2023-11-29 00:09:10,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:09:10,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780589808] [2023-11-29 00:09:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780589808] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:09:10,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:09:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 00:09:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591658330] [2023-11-29 00:09:10,712 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:09:10,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:09:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:10,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:09:10,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:09:10,714 INFO L87 Difference]: Start difference. First operand 112 states and 173 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 00:09:10,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:10,973 INFO L93 Difference]: Finished difference Result 231 states and 352 transitions. [2023-11-29 00:09:10,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:09:10,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 174 [2023-11-29 00:09:10,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:10,977 INFO L225 Difference]: With dead ends: 231 [2023-11-29 00:09:10,977 INFO L226 Difference]: Without dead ends: 120 [2023-11-29 00:09:10,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:09:10,979 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 87 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:10,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 185 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:09:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-29 00:09:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2023-11-29 00:09:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 83 states have internal predecessors, (115), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 00:09:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2023-11-29 00:09:10,995 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 174 [2023-11-29 00:09:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:10,996 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2023-11-29 00:09:10,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-29 00:09:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2023-11-29 00:09:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 00:09:10,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:10,999 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, 1, 1, 1] [2023-11-29 00:09:11,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:09:11,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:11,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:11,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:11,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1004565126, now seen corresponding path program 1 times [2023-11-29 00:09:11,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346582485] [2023-11-29 00:09:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:11,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:11,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:11,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690204014] [2023-11-29 00:09:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:11,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:11,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:11,238 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:11,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:09:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:11,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:09:11,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:11,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:11,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:11,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346582485] [2023-11-29 00:09:11,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:09:11,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690204014] [2023-11-29 00:09:11,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690204014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:11,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:11,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:09:11,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832004755] [2023-11-29 00:09:11,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:11,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:11,587 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2023-11-29 00:09:11,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:11,625 INFO L93 Difference]: Finished difference Result 346 states and 523 transitions. [2023-11-29 00:09:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:11,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 175 [2023-11-29 00:09:11,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:11,629 INFO L225 Difference]: With dead ends: 346 [2023-11-29 00:09:11,629 INFO L226 Difference]: Without dead ends: 231 [2023-11-29 00:09:11,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:11,631 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 41 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:11,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 238 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-29 00:09:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2023-11-29 00:09:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 162 states have (on average 1.4012345679012346) internal successors, (227), 164 states have internal predecessors, (227), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 00:09:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 347 transitions. [2023-11-29 00:09:11,665 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 347 transitions. Word has length 175 [2023-11-29 00:09:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:11,666 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 347 transitions. [2023-11-29 00:09:11,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2023-11-29 00:09:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 347 transitions. [2023-11-29 00:09:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 00:09:11,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:11,670 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, 1, 1, 1] [2023-11-29 00:09:11,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:09:11,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:09:11,871 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:11,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash 417759112, now seen corresponding path program 1 times [2023-11-29 00:09:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:11,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384355481] [2023-11-29 00:09:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:11,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:11,906 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:09:11,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780077982] [2023-11-29 00:09:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:11,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:11,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:11,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:09:11,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:09:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:09:12,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:09:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:09:12,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:09:12,232 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:09:12,234 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:09:12,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:09:12,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:09:12,438 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:12,441 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:09:12,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:09:12 BoogieIcfgContainer [2023-11-29 00:09:12,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:09:12,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:09:12,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:09:12,563 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:09:12,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:07" (3/4) ... [2023-11-29 00:09:12,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:09:12,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:09:12,567 INFO L158 Benchmark]: Toolchain (without parser) took 6195.04ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 125.7MB in the beginning and 118.8MB in the end (delta: 6.9MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,567 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:09:12,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.26ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 111.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.83ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 108.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,568 INFO L158 Benchmark]: Boogie Preprocessor took 52.05ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 104.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,568 INFO L158 Benchmark]: RCFGBuilder took 519.28ms. Allocated memory is still 163.6MB. Free memory was 104.4MB in the beginning and 129.7MB in the end (delta: -25.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,569 INFO L158 Benchmark]: TraceAbstraction took 5249.80ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 119.9MB in the end (delta: 9.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,569 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 197.1MB. Free memory was 119.9MB in the beginning and 118.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:12,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 90.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.26ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 111.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.83ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 108.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.05ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 104.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 519.28ms. Allocated memory is still 163.6MB. Free memory was 104.4MB in the beginning and 129.7MB in the end (delta: -25.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5249.80ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 119.9MB in the end (delta: 9.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 197.1MB. Free memory was 119.9MB in the beginning and 118.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 185, overapproximation of someBinaryArithmeticFLOAToperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; [L44] double var_1_29 = 15.86; [L45] signed short int var_1_31 = 10; [L46] float var_1_39 = 4.7; [L47] unsigned short int var_1_40 = 100; [L48] signed short int var_1_41 = 4; [L49] float var_1_45 = 31.6; [L50] unsigned short int var_1_47 = 64; [L51] double var_1_48 = 16.75; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] FCALL updateLastVariables() [L193] CALL updateVariables() [L138] var_1_6 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L139] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_7=0, var_1_8=0, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L140] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L141] var_1_7 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L142] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L143] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L144] var_1_9 = __VERIFIER_nondet_short() [L145] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L145] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L146] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L146] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L147] var_1_10 = __VERIFIER_nondet_short() [L148] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L148] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L149] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L149] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L150] var_1_12 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L151] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L152] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L152] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L153] var_1_13 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L154] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L155] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L155] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L156] var_1_14 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L157] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L158] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L158] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L159] var_1_15 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L161] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L161] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L162] var_1_16 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L164] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L164] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L165] var_1_17 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L166] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L168] var_1_19 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L169] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L170] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L170] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L171] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L171] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L172] var_1_22 = __VERIFIER_nondet_short() [L173] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L173] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L174] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L174] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L175] var_1_24 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L176] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L177] var_1_25 = __VERIFIER_nondet_float() [L178] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L178] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L179] var_1_26 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L180] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=32766] [L193] RET updateVariables() [L194] CALL step() [L55] var_1_8 = (var_1_9 - (2 + var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L56] COND TRUE var_1_22 != var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_23=158/5, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L57] COND TRUE var_1_10 <= var_1_17 [L58] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_27=256, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L63] COND TRUE ! ((var_1_9 - var_1_22) > var_1_12) [L64] var_1_27 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L66] COND FALSE !(var_1_23 == var_1_23) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=32766, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L71] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L72] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=32640, var_1_22=32766, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L76] COND FALSE !(\read(var_1_18)) [L79] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L81] COND TRUE \read(var_1_1) [L82] var_1_11 = (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_27=63, var_1_29=793/50, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L94] var_1_29 = var_1_26 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=10, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L95] COND TRUE var_1_7 && var_1_7 [L96] var_1_31 = ((((((((var_1_15 - var_1_10)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_15 - var_1_10)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) < 0 ) ? -(((((var_1_15 - var_1_10)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_15 - var_1_10)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) : (((((var_1_15 - var_1_10)) > (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) ? ((var_1_15 - var_1_10)) : (((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=47/10, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L106] COND FALSE !(var_1_23 < var_1_24) [L111] var_1_39 = 15.6f VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=100, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L113] var_1_40 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L114] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L115] COND TRUE \read(var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L116] COND FALSE !(10000000 <= var_1_17) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_45=158/5, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L131] COND TRUE var_1_1 || var_1_7 [L132] var_1_45 = (10.125f + var_1_24) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=64, var_1_48=67/4, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L134] var_1_47 = var_1_15 [L135] var_1_48 = var_1_25 [L194] RET step() [L195] CALL, EXPR property() [L185-L186] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_25=3, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=63, var_1_48=3, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=32640, var_1_22=32766, var_1_25=3, var_1_26=2, var_1_27=63, var_1_29=2, var_1_31=32766, var_1_39=78/5, var_1_40=63, var_1_41=4, var_1_47=63, var_1_48=3, var_1_6=0, var_1_7=1, var_1_8=32764, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 7, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 1216 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 439 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 777 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1214 GetRequests, 1198 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 80 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1391 NumberOfCodeBlocks, 1391 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1210 ConstructedInterpolants, 0 QuantifiedInterpolants, 2152 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2470 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 10560/10584 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 [2023-11-29 00:09:12,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya --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 fec4b280805184c749824e312e7f34c74619d41e7a9bdd7fa1e8580eb2148883 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:09:14,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:09:14,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:09:14,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:09:14,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:09:14,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:09:14,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:09:14,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:09:14,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:09:14,641 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:09:14,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:09:14,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:09:14,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:09:14,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:09:14,643 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:09:14,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:09:14,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:09:14,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:09:14,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:09:14,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:09:14,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:09:14,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:09:14,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:09:14,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:09:14,648 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:09:14,648 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:09:14,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:09:14,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:09:14,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:09:14,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:09:14,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:09:14,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:09:14,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:09:14,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:14,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:09:14,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:09:14,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:09:14,652 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:09:14,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:14,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:09:14,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:09:14,653 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:09:14,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:09:14,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:09:14,654 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:09:14,654 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_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fec4b280805184c749824e312e7f34c74619d41e7a9bdd7fa1e8580eb2148883 [2023-11-29 00:09:14,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:09:14,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:09:14,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:09:14,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:09:14,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:09:14,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:17,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:09:17,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:09:17,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:18,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/2a64e0bcc/eca5e2b9fa1940009e8283adc949487c/FLAGfa76d8078 [2023-11-29 00:09:18,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/data/2a64e0bcc/eca5e2b9fa1940009e8283adc949487c [2023-11-29 00:09:18,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:09:18,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:09:18,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:18,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:09:18,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:09:18,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ac6acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18, skipping insertion in model container [2023-11-29 00:09:18,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:09:18,213 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_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i[919,932] [2023-11-29 00:09:18,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:18,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:09:18,307 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_2261c045-7a81-423d-b95a-4ac669e26344/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i[919,932] [2023-11-29 00:09:18,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:18,364 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:09:18,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18 WrapperNode [2023-11-29 00:09:18,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:18,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:18,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:09:18,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:09:18,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,417 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-29 00:09:18,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:18,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:09:18,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:09:18,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:09:18,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,454 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]. [2023-11-29 00:09:18,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:09:18,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:09:18,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:09:18,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:09:18,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (1/1) ... [2023-11-29 00:09:18,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:18,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:18,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:09:18,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:09:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:09:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:09:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:09:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:09:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:09:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:09:18,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:09:18,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:09:20,974 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:09:21,040 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:09:21,040 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:09:21,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:21 BoogieIcfgContainer [2023-11-29 00:09:21,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:09:21,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:09:21,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:09:21,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:09:21,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:09:18" (1/3) ... [2023-11-29 00:09:21,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c34f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:21, skipping insertion in model container [2023-11-29 00:09:21,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:18" (2/3) ... [2023-11-29 00:09:21,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c34f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:21, skipping insertion in model container [2023-11-29 00:09:21,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:21" (3/3) ... [2023-11-29 00:09:21,049 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-29.i [2023-11-29 00:09:21,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:09:21,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:09:21,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:09:21,124 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;@2b55ef62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:09:21,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:09:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 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) [2023-11-29 00:09:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:21,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:21,147 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, 1] [2023-11-29 00:09:21,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:21,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1771652602, now seen corresponding path program 1 times [2023-11-29 00:09:21,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:21,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880380636] [2023-11-29 00:09:21,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:21,165 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 [2023-11-29 00:09:21,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:21,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:21,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:09:21,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-29 00:09:21,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:21,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:21,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880380636] [2023-11-29 00:09:21,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880380636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:21,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:21,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:09:21,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018912876] [2023-11-29 00:09:21,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:21,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:09:21,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:21,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:09:21,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:21,722 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 49 states have internal predecessors, (74), 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 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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) [2023-11-29 00:09:23,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:23,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:23,354 INFO L93 Difference]: Finished difference Result 155 states and 286 transitions. [2023-11-29 00:09:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:09:23,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 173 [2023-11-29 00:09:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:23,382 INFO L225 Difference]: With dead ends: 155 [2023-11-29 00:09:23,382 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 00:09:23,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:23,387 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:23,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:09:23,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 00:09:23,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 00:09:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 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) [2023-11-29 00:09:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 124 transitions. [2023-11-29 00:09:23,430 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 124 transitions. Word has length 173 [2023-11-29 00:09:23,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:23,431 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 124 transitions. [2023-11-29 00:09:23,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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) [2023-11-29 00:09:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2023-11-29 00:09:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:23,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:23,436 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, 1] [2023-11-29 00:09:23,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:23,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:23,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:23,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1395495478, now seen corresponding path program 1 times [2023-11-29 00:09:23,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:23,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225018947] [2023-11-29 00:09:23,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:23,639 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 [2023-11-29 00:09:23,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:23,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:23,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:24,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:09:24,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 00:09:24,260 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:24,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:24,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225018947] [2023-11-29 00:09:24,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225018947] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [784403654] [2023-11-29 00:09:24,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:24,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:24,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:09:24,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:09:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 00:09:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:24,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:24,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:25,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:25,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [784403654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:25,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:09:25,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-29 00:09:25,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258905196] [2023-11-29 00:09:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:25,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:25,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:25,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:25,402 INFO L87 Difference]: Start difference. First operand 77 states and 124 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2023-11-29 00:09:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:26,282 INFO L93 Difference]: Finished difference Result 229 states and 370 transitions. [2023-11-29 00:09:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:26,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 173 [2023-11-29 00:09:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:26,287 INFO L225 Difference]: With dead ends: 229 [2023-11-29 00:09:26,287 INFO L226 Difference]: Without dead ends: 153 [2023-11-29 00:09:26,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:26,290 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:26,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 238 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:09:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-29 00:09:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2023-11-29 00:09:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 00:09:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 245 transitions. [2023-11-29 00:09:26,325 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 245 transitions. Word has length 173 [2023-11-29 00:09:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:26,327 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 245 transitions. [2023-11-29 00:09:26,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2023-11-29 00:09:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 245 transitions. [2023-11-29 00:09:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:26,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:26,331 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, 1] [2023-11-29 00:09:26,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 00:09:26,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 00:09:26,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:26,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:26,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1653660916, now seen corresponding path program 1 times [2023-11-29 00:09:26,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102533098] [2023-11-29 00:09:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:26,737 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 [2023-11-29 00:09:26,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:26,738 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:26,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:09:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:27,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:09:27,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 00:09:27,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:27,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102533098] [2023-11-29 00:09:27,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102533098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1984118401] [2023-11-29 00:09:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:27,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:27,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:09:27,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:09:27,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 00:09:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:27,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:27,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:27,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:27,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1984118401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:27,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:09:27,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 00:09:27,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880415482] [2023-11-29 00:09:27,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:27,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:27,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:27,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:27,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:27,913 INFO L87 Difference]: Start difference. First operand 151 states and 245 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:29,652 INFO L93 Difference]: Finished difference Result 437 states and 707 transitions. [2023-11-29 00:09:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:29,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 173 [2023-11-29 00:09:29,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:29,658 INFO L225 Difference]: With dead ends: 437 [2023-11-29 00:09:29,658 INFO L226 Difference]: Without dead ends: 287 [2023-11-29 00:09:29,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:29,661 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 105 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:29,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 317 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 00:09:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-11-29 00:09:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 169. [2023-11-29 00:09:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 110 states have (on average 1.4636363636363636) internal successors, (161), 110 states have internal predecessors, (161), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 00:09:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 273 transitions. [2023-11-29 00:09:29,699 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 273 transitions. Word has length 173 [2023-11-29 00:09:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:29,700 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 273 transitions. [2023-11-29 00:09:29,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 273 transitions. [2023-11-29 00:09:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:09:29,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:29,705 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, 1] [2023-11-29 00:09:29,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-29 00:09:29,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 00:09:30,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:30,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:30,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:30,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1239923508, now seen corresponding path program 1 times [2023-11-29 00:09:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:30,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142323718] [2023-11-29 00:09:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:30,111 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 [2023-11-29 00:09:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:30,112 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:30,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (7)] Waiting until timeout for monitored process [2023-11-29 00:09:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:30,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:09:30,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 00:09:30,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:30,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:30,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142323718] [2023-11-29 00:09:30,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142323718] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:30,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1910567252] [2023-11-29 00:09:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:30,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:30,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:09:30,662 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:09:30,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 00:09:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:31,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:31,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:31,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:31,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1910567252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:31,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:09:31,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 00:09:31,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980492592] [2023-11-29 00:09:31,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:31,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:31,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:31,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:31,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:31,127 INFO L87 Difference]: Start difference. First operand 169 states and 273 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:09:32,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:32,757 INFO L93 Difference]: Finished difference Result 391 states and 622 transitions. [2023-11-29 00:09:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 173 [2023-11-29 00:09:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:32,761 INFO L225 Difference]: With dead ends: 391 [2023-11-29 00:09:32,761 INFO L226 Difference]: Without dead ends: 223 [2023-11-29 00:09:32,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:32,763 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 25 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:32,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 233 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:09:32,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-29 00:09:32,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2023-11-29 00:09:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 152 states have (on average 1.4407894736842106) internal successors, (219), 154 states have internal predecessors, (219), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 00:09:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 339 transitions. [2023-11-29 00:09:32,797 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 339 transitions. Word has length 173 [2023-11-29 00:09:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:32,798 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 339 transitions. [2023-11-29 00:09:32,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-29 00:09:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 339 transitions. [2023-11-29 00:09:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:09:32,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:32,801 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, 1, 1] [2023-11-29 00:09:32,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 00:09:33,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (7)] Ended with exit code 0 [2023-11-29 00:09:33,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:33,206 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:33,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:33,207 INFO L85 PathProgramCache]: Analyzing trace with hash -468282185, now seen corresponding path program 1 times [2023-11-29 00:09:33,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:33,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654314463] [2023-11-29 00:09:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:33,207 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 [2023-11-29 00:09:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:33,209 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:33,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (9)] Waiting until timeout for monitored process [2023-11-29 00:09:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:33,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:09:33,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 00:09:33,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:33,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:33,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654314463] [2023-11-29 00:09:33,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654314463] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:33,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [979848658] [2023-11-29 00:09:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:33,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:09:33,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:09:33,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-29 00:09:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:34,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:09:34,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 00:09:34,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:09:34,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [979848658] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:34,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:09:34,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-29 00:09:34,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443103569] [2023-11-29 00:09:34,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:34,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:34,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:34,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:34,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:34,795 INFO L87 Difference]: Start difference. First operand 217 states and 339 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 00:09:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:37,339 INFO L93 Difference]: Finished difference Result 639 states and 995 transitions. [2023-11-29 00:09:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:37,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 174 [2023-11-29 00:09:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:37,343 INFO L225 Difference]: With dead ends: 639 [2023-11-29 00:09:37,343 INFO L226 Difference]: Without dead ends: 423 [2023-11-29 00:09:37,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:09:37,345 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 112 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:37,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 308 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 00:09:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-29 00:09:37,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 421. [2023-11-29 00:09:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 292 states have (on average 1.36986301369863) internal successors, (400), 296 states have internal predecessors, (400), 120 states have call successors, (120), 8 states have call predecessors, (120), 8 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-29 00:09:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 640 transitions. [2023-11-29 00:09:37,394 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 640 transitions. Word has length 174 [2023-11-29 00:09:37,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:37,395 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 640 transitions. [2023-11-29 00:09:37,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-29 00:09:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 640 transitions. [2023-11-29 00:09:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:09:37,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:37,399 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, 1, 1] [2023-11-29 00:09:37,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:37,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (9)] Ended with exit code 0 [2023-11-29 00:09:37,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:37,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:37,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1479399435, now seen corresponding path program 1 times [2023-11-29 00:09:37,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065277862] [2023-11-29 00:09:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:37,801 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 [2023-11-29 00:09:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:37,801 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:37,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (11)] Waiting until timeout for monitored process [2023-11-29 00:09:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:38,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:09:38,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-29 00:09:38,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:38,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:09:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065277862] [2023-11-29 00:09:38,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065277862] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:09:38,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1110742485] [2023-11-29 00:09:38,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:38,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:09:38,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:09:38,314 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:09:38,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-29 00:09:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:39,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:09:39,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:09:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-29 00:09:39,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:09:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 00:09:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1110742485] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:09:40,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:09:40,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2023-11-29 00:09:40,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137847900] [2023-11-29 00:09:40,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:09:40,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:09:40,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:09:40,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:09:40,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:09:40,296 INFO L87 Difference]: Start difference. First operand 421 states and 640 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-29 00:09:49,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:51,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:09:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:55,013 INFO L93 Difference]: Finished difference Result 1135 states and 1686 transitions. [2023-11-29 00:09:55,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 00:09:55,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 174 [2023-11-29 00:09:55,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:55,018 INFO L225 Difference]: With dead ends: 1135 [2023-11-29 00:09:55,018 INFO L226 Difference]: Without dead ends: 715 [2023-11-29 00:09:55,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=417, Invalid=1143, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 00:09:55,021 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 410 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:55,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 454 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-29 00:09:55,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2023-11-29 00:09:55,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 457. [2023-11-29 00:09:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 320 states have (on average 1.30625) internal successors, (418), 324 states have internal predecessors, (418), 120 states have call successors, (120), 16 states have call predecessors, (120), 16 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-29 00:09:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 658 transitions. [2023-11-29 00:09:55,092 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 658 transitions. Word has length 174 [2023-11-29 00:09:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:55,093 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 658 transitions. [2023-11-29 00:09:55,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2023-11-29 00:09:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 658 transitions. [2023-11-29 00:09:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 00:09:55,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:55,096 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, 1, 1, 1] [2023-11-29 00:09:55,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:55,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (11)] Forceful destruction successful, exit code 0 [2023-11-29 00:09:55,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:09:55,498 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:55,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash -750603874, now seen corresponding path program 1 times [2023-11-29 00:09:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:09:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856708736] [2023-11-29 00:09:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:55,499 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 [2023-11-29 00:09:55,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:09:55,500 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:09:55,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (13)] Waiting until timeout for monitored process [2023-11-29 00:09:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:55,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:09:55,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:10:10,783 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2023-11-29 00:10:19,005 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from false [2023-11-29 00:10:23,012 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2023-11-29 00:10:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 00:10:29,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:10:29,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:10:29,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856708736] [2023-11-29 00:10:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856708736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 00:10:29,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747615199] [2023-11-29 00:10:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:29,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:10:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:10:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:10:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=88, Unknown=3, NotChecked=42, Total=182 [2023-11-29 00:10:29,385 INFO L87 Difference]: Start difference. First operand 457 states and 658 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 00:11:26,871 WARN L293 SmtUtils]: Spent 30.45s on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:11:28,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:29,338 WARN L293 SmtUtils]: Spent 28.57s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:12:33,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:37,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:12:40,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:12:40,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:12:40,471 INFO L93 Difference]: Finished difference Result 963 states and 1359 transitions. [2023-11-29 00:12:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:12:40,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 175 [2023-11-29 00:12:40,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:12:40,505 INFO L225 Difference]: With dead ends: 963 [2023-11-29 00:12:40,506 INFO L226 Difference]: Without dead ends: 507 [2023-11-29 00:12:40,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 130.4s TimeCoverageRelationStatistics Valid=123, Invalid=251, Unknown=14, NotChecked=74, Total=462 [2023-11-29 00:12:40,508 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 166 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 270 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:12:40,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 235 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 266 Invalid, 0 Unknown, 270 Unchecked, 14.2s Time] [2023-11-29 00:12:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-29 00:12:40,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 489. [2023-11-29 00:12:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 344 states have (on average 1.2848837209302326) internal successors, (442), 348 states have internal predecessors, (442), 120 states have call successors, (120), 24 states have call predecessors, (120), 24 states have return successors, (120), 116 states have call predecessors, (120), 120 states have call successors, (120) [2023-11-29 00:12:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 682 transitions. [2023-11-29 00:12:40,579 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 682 transitions. Word has length 175 [2023-11-29 00:12:40,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:12:40,580 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 682 transitions. [2023-11-29 00:12:40,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 00:12:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 682 transitions. [2023-11-29 00:12:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 00:12:40,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:12:40,583 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, 1, 1, 1] [2023-11-29 00:12:40,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (13)] Forceful destruction successful, exit code 0 [2023-11-29 00:12:40,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:12:40,784 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:12:40,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:12:40,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1771672228, now seen corresponding path program 1 times [2023-11-29 00:12:40,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:12:40,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531381128] [2023-11-29 00:12:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:12:40,785 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 [2023-11-29 00:12:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:12:40,786 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:12:40,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (14)] Waiting until timeout for monitored process [2023-11-29 00:12:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:12:41,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:12:41,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:12:58,386 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2023-11-29 00:13:07,779 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2023-11-29 00:13:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-29 00:13:13,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:13:13,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:13:13,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531381128] [2023-11-29 00:13:13,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531381128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:13:13,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:13:13,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 00:13:13,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098922996] [2023-11-29 00:13:13,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:13:13,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:13:13,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:13:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:13:13,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2023-11-29 00:13:13,937 INFO L87 Difference]: Start difference. First operand 489 states and 682 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 00:14:14,098 WARN L293 SmtUtils]: Spent 40.11s on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:15:15,844 WARN L293 SmtUtils]: Spent 35.00s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:15:19,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:23,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:27,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:32,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:36,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:40,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:43,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:15:47,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:15:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:15:47,212 INFO L93 Difference]: Finished difference Result 749 states and 1048 transitions. [2023-11-29 00:15:47,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:15:47,251 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 175 [2023-11-29 00:15:47,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:15:47,253 INFO L225 Difference]: With dead ends: 749 [2023-11-29 00:15:47,253 INFO L226 Difference]: Without dead ends: 261 [2023-11-29 00:15:47,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 130.5s TimeCoverageRelationStatistics Valid=123, Invalid=253, Unknown=12, NotChecked=74, Total=462 [2023-11-29 00:15:47,255 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 203 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 55 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 268 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:15:47,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 287 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 331 Invalid, 6 Unknown, 268 Unchecked, 32.7s Time] [2023-11-29 00:15:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-29 00:15:47,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2023-11-29 00:15:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 176 states have (on average 1.3125) internal successors, (231), 178 states have internal predecessors, (231), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-29 00:15:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 351 transitions. [2023-11-29 00:15:47,286 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 351 transitions. Word has length 175 [2023-11-29 00:15:47,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:15:47,287 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 351 transitions. [2023-11-29 00:15:47,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 13 states have internal predecessors, (47), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-29 00:15:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2023-11-29 00:15:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 00:15:47,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:15:47,289 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, 1, 1, 1, 1] [2023-11-29 00:15:47,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (14)] Ended with exit code 0 [2023-11-29 00:15:47,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:15:47,489 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:15:47,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash -137643061, now seen corresponding path program 1 times [2023-11-29 00:15:47,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:15:47,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356243700] [2023-11-29 00:15:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:47,490 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 [2023-11-29 00:15:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:15:47,491 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:15:47,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Waiting until timeout for monitored process [2023-11-29 00:15:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:47,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:15:47,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:15:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 133 proven. 78 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2023-11-29 00:15:48,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:15:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 00:15:49,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:15:49,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356243700] [2023-11-29 00:15:49,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356243700] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:15:49,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:15:49,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-29 00:15:49,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347315855] [2023-11-29 00:15:49,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:15:49,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:15:49,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:15:49,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:15:49,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:15:49,084 INFO L87 Difference]: Start difference. First operand 249 states and 351 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-29 00:15:51,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:15:53,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:15:53,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:15:53,868 INFO L93 Difference]: Finished difference Result 600 states and 826 transitions. [2023-11-29 00:15:53,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:15:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 176 [2023-11-29 00:15:53,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:15:53,872 INFO L225 Difference]: With dead ends: 600 [2023-11-29 00:15:53,873 INFO L226 Difference]: Without dead ends: 352 [2023-11-29 00:15:53,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:15:53,874 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 221 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:15:53,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 301 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-29 00:15:53,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-29 00:15:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 220. [2023-11-29 00:15:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 151 states have (on average 1.2781456953642385) internal successors, (193), 151 states have internal predecessors, (193), 56 states have call successors, (56), 12 states have call predecessors, (56), 12 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 00:15:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 305 transitions. [2023-11-29 00:15:53,919 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 305 transitions. Word has length 176 [2023-11-29 00:15:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:15:53,919 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 305 transitions. [2023-11-29 00:15:53,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-29 00:15:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2023-11-29 00:15:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 00:15:53,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:15:53,922 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, 1, 1, 1, 1] [2023-11-29 00:15:53,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (15)] Ended with exit code 0 [2023-11-29 00:15:54,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:15:54,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:15:54,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:15:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash 416900655, now seen corresponding path program 1 times [2023-11-29 00:15:54,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:15:54,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488345096] [2023-11-29 00:15:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:15:54,126 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 [2023-11-29 00:15:54,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:15:54,127 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 00:15:54,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2261c045-7a81-423d-b95a-4ac669e26344/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Waiting until timeout for monitored process [2023-11-29 00:15:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:15:54,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-29 00:15:54,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:16:22,065 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:17:12,638 WARN L293 SmtUtils]: Spent 16.44s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:17:49,194 WARN L293 SmtUtils]: Spent 15.95s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:18:00,680 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:18:32,252 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:18:38,313 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:18:48,851 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:21:43,506 WARN L293 SmtUtils]: Spent 1.52m on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:22:13,834 WARN L293 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:22:41,119 WARN L293 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:22:54,059 WARN L293 SmtUtils]: Spent 5.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:22:59,795 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:23:07,569 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:23:15,810 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:23:22,043 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)