./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6edf1c60fee021d2985f2e7b2e266d9e81bfd5dd117a7116b97b2086482be4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:51,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:51,545 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:51,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:51,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:51,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:51,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:51,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:51,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:51,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:51,600 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:51,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:51,602 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:51,603 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:51,603 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:51,604 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:51,605 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:51,605 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:51,606 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:51,607 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:51,607 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:51,608 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:51,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:51,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:51,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:51,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:51,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:51,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:51,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:51,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:51,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:51,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:51,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:51,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:51,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:51,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:51,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:51,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:51,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:51,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:51,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:51,631 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:51,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:51,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:51,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:51,632 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:51,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:51,633 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6edf1c60fee021d2985f2e7b2e266d9e81bfd5dd117a7116b97b2086482be4e [2023-11-23 21:18:51,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:51,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:51,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:51,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:51,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:51,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:18:55,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:55,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:55,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:18:55,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/60609a93f/f2437bbfd7a9422486f249b4a873b3a2/FLAGde337cef2 [2023-11-23 21:18:55,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/60609a93f/f2437bbfd7a9422486f249b4a873b3a2 [2023-11-23 21:18:55,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:55,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:55,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:55,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:55,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:55,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:55,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a31531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55, skipping insertion in model container [2023-11-23 21:18:55,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:55,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:55,693 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i[916,929] [2023-11-23 21:18:55,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:55,818 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:55,831 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i[916,929] [2023-11-23 21:18:55,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:55,917 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:55,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55 WrapperNode [2023-11-23 21:18:55,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:55,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:55,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:55,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:55,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:55,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,010 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 277 [2023-11-23 21:18:56,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:56,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:56,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:56,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:56,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:56,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:56,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:56,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:56,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (1/1) ... [2023-11-23 21:18:56,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:56,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:56,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:56,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:56,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:56,297 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:56,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:56,842 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:57,353 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:57,353 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:57,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:57 BoogieIcfgContainer [2023-11-23 21:18:57,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:57,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:57,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:57,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:57,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:55" (1/3) ... [2023-11-23 21:18:57,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f8fee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:57, skipping insertion in model container [2023-11-23 21:18:57,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:55" (2/3) ... [2023-11-23 21:18:57,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f8fee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:57, skipping insertion in model container [2023-11-23 21:18:57,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:57" (3/3) ... [2023-11-23 21:18:57,367 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:18:57,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:57,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:57,447 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:57,452 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=FINITE_AUTOMATA, 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;@1c13e01d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:57,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:18:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 21:18:57,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:57,482 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:57,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:57,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:57,488 INFO L85 PathProgramCache]: Analyzing trace with hash 561652609, now seen corresponding path program 1 times [2023-11-23 21:18:57,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:57,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947380558] [2023-11-23 21:18:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:57,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:57,746 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:18:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432722512] [2023-11-23 21:18:57,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:57,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:57,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:57,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:18:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:58,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:58,352 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:58,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:58,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:58,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:58,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:18:58,585 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:58,592 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:58,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:58 BoogieIcfgContainer [2023-11-23 21:18:58,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:58,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:58,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:58,786 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:58,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:57" (3/4) ... [2023-11-23 21:18:58,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:58,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:58,790 INFO L158 Benchmark]: Toolchain (without parser) took 3310.98ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 91.2MB in the end (delta: 46.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,790 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:58,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.79ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 121.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.68ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 117.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,792 INFO L158 Benchmark]: Boogie Preprocessor took 67.05ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,793 INFO L158 Benchmark]: RCFGBuilder took 1274.83ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 90.4MB in the end (delta: 24.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,794 INFO L158 Benchmark]: TraceAbstraction took 1424.12ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 92.3MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:58,794 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:58,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.79ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 121.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.68ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 117.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.05ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1274.83ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 90.4MB in the end (delta: 24.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1424.12ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 92.3MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 2.0kB). 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 213, overapproximation of bitwiseOr at line 63, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.66; [L23] unsigned char var_1_3 = 32; [L24] double var_1_4 = 49.275; [L25] double var_1_7 = 0.375; [L26] unsigned long int var_1_8 = 3826752623; [L27] signed char var_1_9 = 2; [L28] signed char var_1_10 = 64; [L29] signed char var_1_11 = -32; [L30] float var_1_12 = 1.4; [L31] float var_1_14 = 127.5; [L32] double var_1_15 = 50.5; [L33] double var_1_16 = 9.5; [L34] double var_1_17 = 0.0; [L35] double var_1_18 = 99.25; [L36] signed char var_1_19 = 0; [L37] signed char var_1_20 = -1; [L38] signed char var_1_21 = 5; [L39] unsigned char var_1_22 = 0; [L40] unsigned char var_1_25 = 1; [L41] signed long int var_1_26 = -128; [L42] signed long int var_1_27 = 4; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_30 = 0; [L45] signed char var_1_31 = -10; [L46] signed char var_1_32 = 1; [L47] signed char var_1_33 = -16; [L48] signed short int var_1_34 = -16; [L49] unsigned short int var_1_35 = 64; [L50] unsigned short int var_1_36 = 8; [L51] double last_1_var_1_1 = 16.66; [L52] float last_1_var_1_12 = 1.4; [L53] double last_1_var_1_15 = 50.5; [L54] signed long int last_1_var_1_26 = -128; [L55] unsigned char last_1_var_1_28 = 1; [L56] signed char last_1_var_1_31 = -10; [L57] signed short int last_1_var_1_34 = -16; [L217] isInitial = 1 [L218] FCALL initially() [L219] int k_loop; [L220] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=32, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L220] COND TRUE k_loop < 1 [L221] CALL updateLastVariables() [L204] last_1_var_1_1 = var_1_1 [L205] last_1_var_1_12 = var_1_12 [L206] last_1_var_1_15 = var_1_15 [L207] last_1_var_1_26 = var_1_26 [L208] last_1_var_1_28 = var_1_28 [L209] last_1_var_1_31 = var_1_31 [L210] last_1_var_1_34 = var_1_34 [L221] RET updateLastVariables() [L222] CALL updateVariables() [L153] var_1_3 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L155] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L156] var_1_4 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L161] var_1_10 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L164] var_1_11 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L166] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L167] var_1_14 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L169] var_1_16 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L171] var_1_17 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_17 >= 4611686.018427387900e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_17 >= 4611686.018427387900e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L173] var_1_18 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427387900e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427387900e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L175] var_1_20 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L177] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L178] var_1_21 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L180] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L183] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L184] var_1_27 = __VERIFIER_nondet_long() [L185] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L186] CALL assume_abort_if_not(var_1_27 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_27 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L187] var_1_30 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L189] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L190] var_1_32 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L192] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L193] var_1_33 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_33 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_33 >= -63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L195] CALL assume_abort_if_not(var_1_33 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_33 <= 63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L196] var_1_35 = __VERIFIER_nondet_ushort() [L197] CALL assume_abort_if_not(var_1_35 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_35 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L198] CALL assume_abort_if_not(var_1_35 <= 32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_35 <= 32768) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L199] var_1_36 = __VERIFIER_nondet_ushort() [L200] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L201] CALL assume_abort_if_not(var_1_36 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_36 <= 32767) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L222] RET updateVariables() [L223] CALL step() [L61] signed long int stepLocal_4 = last_1_var_1_31 * last_1_var_1_34; [L62] signed long int stepLocal_3 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11; [L63] EXPR var_1_21 | last_1_var_1_34 [L63] unsigned char stepLocal_2 = (var_1_21 | last_1_var_1_34) == var_1_20; [L64] COND FALSE !(stepLocal_2 && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) [L75] var_1_22 = var_1_25 [L77] unsigned char stepLocal_6 = last_1_var_1_1 < (var_1_18 + 128.9f); [L78] signed long int stepLocal_5 = last_1_var_1_26; [L79] COND TRUE stepLocal_6 || (var_1_14 > (var_1_16 * last_1_var_1_12)) [L80] COND TRUE 16u <= stepLocal_5 [L81] var_1_28 = var_1_25 [L88] COND FALSE !(! var_1_28) [L91] COND TRUE \read(var_1_22) [L92] COND TRUE last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18)) [L93] COND TRUE \read(var_1_22) [L94] var_1_15 = ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))) [L102] var_1_19 = (var_1_20 - var_1_21) [L103] COND FALSE !((var_1_19 % (var_1_35 + var_1_36)) == var_1_27) [L108] var_1_26 = ((var_1_27 - var_1_34) + var_1_10) [L109] unsigned long int stepLocal_1 = ((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)); [L110] unsigned char stepLocal_0 = var_1_3; [L111] COND TRUE stepLocal_0 >= var_1_34 [L112] COND TRUE \read(var_1_28) [L113] COND TRUE (var_1_8 - (1212980845u - var_1_34)) >= stepLocal_1 [L114] var_1_7 = var_1_4 [L122] COND TRUE var_1_19 <= (128 - var_1_3) [L123] var_1_1 = var_1_4 [L129] COND TRUE \read(var_1_28) [L130] COND FALSE !(((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) [L137] var_1_12 = var_1_14 [L142] COND TRUE var_1_22 || var_1_22 [L143] COND TRUE var_1_7 > var_1_17 [L144] var_1_31 = ((var_1_32 - 2) + var_1_33) [L223] RET step() [L224] CALL, EXPR property() [L213] EXPR (((((((var_1_19 <= (128 - var_1_3)) ? (var_1_1 == ((double) var_1_4)) : ((var_1_22 || var_1_28) ? (var_1_1 == ((double) var_1_4)) : 1)) && ((var_1_3 >= var_1_34) ? (var_1_28 ? (((var_1_8 - (1212980845u - var_1_34)) >= (((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)))) ? (var_1_7 == ((double) var_1_4)) : 1) : (var_1_7 == ((double) var_1_4))) : (var_1_7 == ((double) var_1_4)))) && ((! var_1_28) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1)) && (var_1_28 ? ((((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) ? (((! var_1_28) || var_1_22) ? (var_1_12 == ((float) 100000.6f)) : (var_1_12 == ((float) var_1_4))) : (var_1_12 == ((float) var_1_14))) : (var_1_12 == ((float) var_1_4)))) && (var_1_22 ? ((last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18))) ? (var_1_22 ? (var_1_15 == ((double) ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))))) : (var_1_15 == ((double) ((((var_1_14) > (63.25)) ? (var_1_14) : (63.25)))))) : 1) : (var_1_15 == ((double) 0.1)))) && (var_1_19 == ((signed char) (var_1_20 - var_1_21)))) && ((((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) [L213-L214] return (((((((((((var_1_19 <= (128 - var_1_3)) ? (var_1_1 == ((double) var_1_4)) : ((var_1_22 || var_1_28) ? (var_1_1 == ((double) var_1_4)) : 1)) && ((var_1_3 >= var_1_34) ? (var_1_28 ? (((var_1_8 - (1212980845u - var_1_34)) >= (((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)))) ? (var_1_7 == ((double) var_1_4)) : 1) : (var_1_7 == ((double) var_1_4))) : (var_1_7 == ((double) var_1_4)))) && ((! var_1_28) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1)) && (var_1_28 ? ((((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) ? (((! var_1_28) || var_1_22) ? (var_1_12 == ((float) 100000.6f)) : (var_1_12 == ((float) var_1_4))) : (var_1_12 == ((float) var_1_14))) : (var_1_12 == ((float) var_1_4)))) && (var_1_22 ? ((last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18))) ? (var_1_22 ? (var_1_15 == ((double) ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))))) : (var_1_15 == ((double) ((((var_1_14) > (63.25)) ? (var_1_14) : (63.25)))))) : 1) : (var_1_15 == ((double) 0.1)))) && (var_1_19 == ((signed char) (var_1_20 - var_1_21)))) && ((((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25)))) && (var_1_26 == ((signed long int) ((var_1_27 - var_1_34) + var_1_10)))) && (((last_1_var_1_1 < (var_1_18 + 128.9f)) || (var_1_14 > (var_1_16 * last_1_var_1_12))) ? ((16u <= last_1_var_1_26) ? (var_1_28 == ((unsigned char) var_1_25)) : (var_1_28 == ((unsigned char) 0))) : (var_1_28 == ((unsigned char) var_1_30)))) && ((var_1_22 || var_1_22) ? ((var_1_7 > var_1_17) ? (var_1_31 == ((signed char) ((var_1_32 - 2) + var_1_33))) : (var_1_31 == ((signed char) var_1_21))) : (var_1_31 == ((signed char) var_1_11)))) && (((var_1_19 % (var_1_35 + var_1_36)) == var_1_27) ? (var_1_30 ? (var_1_34 == ((signed short int) var_1_10)) : 1) : 1) ; [L224] RET, EXPR property() [L224] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=500003/5, var_1_14=500003/5, var_1_15=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_4=2, var_1_7=2, var_1_8=2147483647, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-127, var_1_12=500003/5, var_1_14=500003/5, var_1_15=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=2, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=127, var_1_4=2, var_1_7=2, var_1_8=2147483647, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-23 21:18:58,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6edf1c60fee021d2985f2e7b2e266d9e81bfd5dd117a7116b97b2086482be4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:01,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:01,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:01,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:01,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:01,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:01,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:01,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:01,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:01,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:01,718 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:01,718 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:01,719 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:01,720 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:01,721 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:01,721 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:01,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:01,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:01,723 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:01,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:01,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:01,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:01,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:01,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:01,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:01,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:01,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:01,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:01,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:01,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:01,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:01,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:01,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:01,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:01,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:01,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:01,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:01,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:01,732 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:01,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:01,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:01,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:01,734 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:01,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:01,735 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6edf1c60fee021d2985f2e7b2e266d9e81bfd5dd117a7116b97b2086482be4e [2023-11-23 21:19:02,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:02,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:02,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:02,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:02,192 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:02,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:19:05,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:05,836 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:05,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:19:05,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/f5366e6b0/1320b28463224926a0e1eb0687a36df9/FLAGdea3141af [2023-11-23 21:19:05,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/data/f5366e6b0/1320b28463224926a0e1eb0687a36df9 [2023-11-23 21:19:05,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:05,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:05,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:05,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:05,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:05,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:05" (1/1) ... [2023-11-23 21:19:05,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54754812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:05, skipping insertion in model container [2023-11-23 21:19:05,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:05" (1/1) ... [2023-11-23 21:19:05,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:06,102 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i[916,929] [2023-11-23 21:19:06,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:06,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:06,256 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_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-74.i[916,929] [2023-11-23 21:19:06,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:06,391 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:06,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06 WrapperNode [2023-11-23 21:19:06,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:06,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:06,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:06,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:06,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,492 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-23 21:19:06,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:06,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:06,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:06,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:06,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:06,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:06,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:06,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:06,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (1/1) ... [2023-11-23 21:19:06,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:06,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:06,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:06,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:06,840 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:06,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:15,768 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:15,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:15,871 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:15,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:15 BoogieIcfgContainer [2023-11-23 21:19:15,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:15,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:15,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:15,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:15,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:05" (1/3) ... [2023-11-23 21:19:15,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50756ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:15, skipping insertion in model container [2023-11-23 21:19:15,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:06" (2/3) ... [2023-11-23 21:19:15,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50756ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:15, skipping insertion in model container [2023-11-23 21:19:15,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:15" (3/3) ... [2023-11-23 21:19:15,884 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-74.i [2023-11-23 21:19:15,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:15,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:15,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:15,985 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=FINITE_AUTOMATA, 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;@4fb75255, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:15,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:19:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-23 21:19:16,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:16,010 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:16,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:16,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -845960591, now seen corresponding path program 1 times [2023-11-23 21:19:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555479060] [2023-11-23 21:19:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:16,042 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 [2023-11-23 21:19:16,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:16,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:16,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:16,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:16,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-11-23 21:19:16,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:16,954 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:16,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555479060] [2023-11-23 21:19:16,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555479060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:16,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:16,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:16,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430672187] [2023-11-23 21:19:16,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:16,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:16,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:16,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:16,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:16,996 INFO L87 Difference]: Start difference. First operand has 87 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:19:19,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:19,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:19,407 INFO L93 Difference]: Finished difference Result 173 states and 314 transitions. [2023-11-23 21:19:19,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:19,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2023-11-23 21:19:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:19,423 INFO L225 Difference]: With dead ends: 173 [2023-11-23 21:19:19,424 INFO L226 Difference]: Without dead ends: 85 [2023-11-23 21:19:19,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:19,434 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:19,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:19:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-23 21:19:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-23 21:19:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 21:19:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 137 transitions. [2023-11-23 21:19:19,501 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 137 transitions. Word has length 190 [2023-11-23 21:19:19,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:19,502 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 137 transitions. [2023-11-23 21:19:19,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-23 21:19:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 137 transitions. [2023-11-23 21:19:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-23 21:19:19,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:19,508 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:19,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:19:19,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:19,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:19,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:19,722 INFO L85 PathProgramCache]: Analyzing trace with hash 926598699, now seen corresponding path program 1 times [2023-11-23 21:19:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:19,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057076964] [2023-11-23 21:19:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:19,723 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 [2023-11-23 21:19:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:19,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:19,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:20,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:19:20,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:23,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 963 proven. 72 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-11-23 21:19:23,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 51 proven. 39 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-23 21:19:25,174 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057076964] [2023-11-23 21:19:25,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057076964] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:25,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [120077513] [2023-11-23 21:19:25,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:25,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:25,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:25,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:19:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:27,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:19:27,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:19:30,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:30,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [120077513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:30,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:19:30,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 6] total 13 [2023-11-23 21:19:30,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245415789] [2023-11-23 21:19:30,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:30,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:30,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:30,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:19:30,722 INFO L87 Difference]: Start difference. First operand 85 states and 137 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:19:33,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:35,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:37,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:37,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:37,353 INFO L93 Difference]: Finished difference Result 253 states and 409 transitions. [2023-11-23 21:19:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:37,355 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 190 [2023-11-23 21:19:37,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:37,364 INFO L225 Difference]: With dead ends: 253 [2023-11-23 21:19:37,366 INFO L226 Difference]: Without dead ends: 169 [2023-11-23 21:19:37,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 555 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:19:37,374 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 42 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:37,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 273 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 21:19:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-23 21:19:37,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2023-11-23 21:19:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 102 states have (on average 1.4411764705882353) internal successors, (147), 102 states have internal predecessors, (147), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:19:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 271 transitions. [2023-11-23 21:19:37,431 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 271 transitions. Word has length 190 [2023-11-23 21:19:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:37,435 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 271 transitions. [2023-11-23 21:19:37,436 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:19:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 271 transitions. [2023-11-23 21:19:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 21:19:37,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:37,448 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:37,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:37,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:37,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:37,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:37,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash 451509819, now seen corresponding path program 1 times [2023-11-23 21:19:37,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:37,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131751602] [2023-11-23 21:19:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:37,855 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 [2023-11-23 21:19:37,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:37,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:37,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:38,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:19:38,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 963 proven. 72 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-11-23 21:19:42,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 51 proven. 39 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-23 21:19:43,830 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:43,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131751602] [2023-11-23 21:19:43,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131751602] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:43,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [628578343] [2023-11-23 21:19:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:43,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:43,834 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:43,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4345e51-0776-4e68-9bfd-e0c8f3cee45a/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:19:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:44,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:44,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-23 21:19:45,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:45,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [628578343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:45,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:19:45,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 14 [2023-11-23 21:19:45,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186172924] [2023-11-23 21:19:45,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:45,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:19:45,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:19:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:19:45,326 INFO L87 Difference]: Start difference. First operand 167 states and 271 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-23 21:19:48,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []