./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_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_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 690797f9d9c38fa3853ad5dbb239d76f761506a48f72eb89ed77057dc64a1196 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:17,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:17,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:32:17,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:17,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:17,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:17,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:17,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:17,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:17,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:17,603 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:17,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:17,604 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:17,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:17,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:17,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:17,607 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:17,607 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:17,608 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:17,608 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:17,609 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:17,610 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:17,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:17,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:17,612 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:17,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:17,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:17,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:17,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:17,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:17,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:17,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:17,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:17,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:17,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:17,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:17,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:17,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:17,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:17,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:17,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:17,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:17,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:17,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:17,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:17,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:17,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:17,631 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690797f9d9c38fa3853ad5dbb239d76f761506a48f72eb89ed77057dc64a1196 [2023-11-23 21:32:17,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:18,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:18,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:18,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:18,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:18,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:21,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:21,389 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:21,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:21,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/1c89f1a11/ceb6a13b67fe4b6c8712f5e595b54fc2/FLAG2f5f687ce [2023-11-23 21:32:21,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/1c89f1a11/ceb6a13b67fe4b6c8712f5e595b54fc2 [2023-11-23 21:32:21,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:21,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:21,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:21,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:21,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:21,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59faf73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21, skipping insertion in model container [2023-11-23 21:32:21,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:21,672 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i[916,929] [2023-11-23 21:32:21,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:21,820 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:21,832 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i[916,929] [2023-11-23 21:32:21,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:21,897 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:21,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21 WrapperNode [2023-11-23 21:32:21,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:21,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:21,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:21,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:21,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,980 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2023-11-23 21:32:21,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:21,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:21,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:21,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:21,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:21,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:22,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:22,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:22,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:22,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (1/1) ... [2023-11-23 21:32:22,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:22,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:22,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:22,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:22,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:22,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:22,967 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:23,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:23,496 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:23,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:23 BoogieIcfgContainer [2023-11-23 21:32:23,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:23,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:23,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:23,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:23,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:21" (1/3) ... [2023-11-23 21:32:23,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:23, skipping insertion in model container [2023-11-23 21:32:23,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:21" (2/3) ... [2023-11-23 21:32:23,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dbc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:23, skipping insertion in model container [2023-11-23 21:32:23,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:23" (3/3) ... [2023-11-23 21:32:23,514 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:23,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:23,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:23,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:23,615 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;@255617be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:23,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:23,621 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 21:32:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 21:32:23,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:23,640 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 21:32:23,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:23,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:23,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1436972832, now seen corresponding path program 1 times [2023-11-23 21:32:23,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:23,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343533524] [2023-11-23 21:32:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:23,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:23,945 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:32:23,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [560109743] [2023-11-23 21:32:23,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:23,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:32:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:23,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:32:23,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:32:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:24,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:32:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:32:24,549 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:32:24,552 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:32:24,553 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:32:24,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:24,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:32:24,783 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:32:24,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:32:24,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:32:24 BoogieIcfgContainer [2023-11-23 21:32:24,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:32:24,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:32:24,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:32:24,930 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:32:24,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:23" (3/4) ... [2023-11-23 21:32:24,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:32:24,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:32:24,936 INFO L158 Benchmark]: Toolchain (without parser) took 3514.11ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 136.9MB in the beginning and 90.3MB in the end (delta: 46.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,936 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:24,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.92ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 121.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.15ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 116.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,938 INFO L158 Benchmark]: Boogie Preprocessor took 69.42ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,939 INFO L158 Benchmark]: RCFGBuilder took 1448.01ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.8MB in the beginning and 154.3MB in the end (delta: -39.5MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,940 INFO L158 Benchmark]: TraceAbstraction took 1425.84ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 90.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 21:32:24,940 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 201.3MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:32:24,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.92ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 121.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.15ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 116.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.42ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1448.01ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.8MB in the beginning and 154.3MB in the end (delta: -39.5MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1425.84ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 90.3MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 201.3MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 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] COND TRUE 1 [L220] 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 [L220] RET updateLastVariables() [L221] 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, 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=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, 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=0, var_1_11=0, 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=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=0, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, var_1_7=3/8, var_1_8=2147483647, var_1_9=2] [L221] RET updateVariables() [L222] 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 FALSE !(stepLocal_6 || (var_1_14 > (var_1_16 * last_1_var_1_12))) [L86] var_1_28 = var_1_30 [L88] COND TRUE ! var_1_28 [L89] var_1_9 = ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) [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] unsigned long int stepLocal_1 = ((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)); [L109] unsigned char stepLocal_0 = var_1_3; [L110] COND TRUE stepLocal_0 >= var_1_34 [L111] COND FALSE !(\read(var_1_28)) [L116] var_1_7 = var_1_4 [L121] COND TRUE var_1_19 <= (128 - var_1_3) [L122] var_1_1 = var_1_4 [L128] COND FALSE !(\read(var_1_28)) [L139] var_1_12 = var_1_4 [L141] var_1_26 = ((var_1_27 - var_1_34) + var_1_10) [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) [L222] RET step() [L223] 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) ; [L223] RET, EXPR property() [L223] 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=0, var_1_11=0, var_1_12=101/2, var_1_14=0, var_1_15=101/2, var_1_19=1, var_1_1=101/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=16, var_1_27=0, var_1_28=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, var_1_4=101/2, var_1_7=101/2, var_1_8=2147483647, var_1_9=0] [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=0, var_1_11=0, var_1_12=101/2, var_1_14=0, var_1_15=101/2, var_1_19=1, var_1_1=101/2, var_1_20=1, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=16, var_1_27=0, var_1_28=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=1, var_1_3=0, var_1_4=101/2, var_1_7=101/2, var_1_8=2147483647, var_1_9=0] - 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 21:32:24,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 690797f9d9c38fa3853ad5dbb239d76f761506a48f72eb89ed77057dc64a1196 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:27,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:27,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:27,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:27,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:27,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:27,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:27,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:27,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:27,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:27,835 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:27,836 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:27,836 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:27,838 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:27,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:27,839 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:27,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:27,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:27,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:27,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:27,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:27,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:27,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:27,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:27,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:27,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:27,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:27,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:27,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:27,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:27,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:27,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:27,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:27,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:27,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:27,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:27,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:27,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:27,849 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:27,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:27,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:27,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:27,851 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:27,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:27,852 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690797f9d9c38fa3853ad5dbb239d76f761506a48f72eb89ed77057dc64a1196 [2023-11-23 21:32:28,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:28,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:28,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:28,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:28,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:28,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:31,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:31,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:31,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:31,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/fcb9f1b2d/2b57aef86340483f903ef0e15c2b2ab1/FLAGa7dfc9fef [2023-11-23 21:32:31,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/data/fcb9f1b2d/2b57aef86340483f903ef0e15c2b2ab1 [2023-11-23 21:32:31,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:31,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:31,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:31,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:31,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:31,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:31" (1/1) ... [2023-11-23 21:32:31,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569127f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:31, skipping insertion in model container [2023-11-23 21:32:31,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:31" (1/1) ... [2023-11-23 21:32:31,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:32,103 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i[916,929] [2023-11-23 21:32:32,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:32,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:32,277 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_ba1f9888-dd90-4d58-82fa-da7380e291c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-74.i[916,929] [2023-11-23 21:32:32,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:32,416 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:32,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32 WrapperNode [2023-11-23 21:32:32,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:32,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:32,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:32,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:32,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,515 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-23 21:32:32,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:32,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:32,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:32,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:32,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:32,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:32,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:32,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:32,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (1/1) ... [2023-11-23 21:32:32,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:32,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:32,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:32,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:32,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:32,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:41,826 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:41,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:41,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:41,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:41 BoogieIcfgContainer [2023-11-23 21:32:41,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:41,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:41,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:41,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:41,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:31" (1/3) ... [2023-11-23 21:32:41,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecb2248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:41, skipping insertion in model container [2023-11-23 21:32:41,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:32" (2/3) ... [2023-11-23 21:32:41,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecb2248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:41, skipping insertion in model container [2023-11-23 21:32:41,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:41" (3/3) ... [2023-11-23 21:32:41,924 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-74.i [2023-11-23 21:32:41,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:41,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:42,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:42,028 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;@52b29699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:42,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 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 21:32:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 21:32:42,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:42,069 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 21:32:42,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:42,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash -744645046, now seen corresponding path program 1 times [2023-11-23 21:32:42,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:42,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163486000] [2023-11-23 21:32:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:42,096 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 21:32:42,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:42,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:32:42,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:32:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:43,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:43,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:43,186 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 21:32:43,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:43,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163486000] [2023-11-23 21:32:43,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163486000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:43,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:43,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:43,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567027158] [2023-11-23 21:32:43,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:43,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:43,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:43,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:43,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:43,256 INFO L87 Difference]: Start difference. First operand has 88 states, 54 states have (on average 1.5) internal successors, (81), 55 states have internal predecessors, (81), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 21:32:45,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:45,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:45,584 INFO L93 Difference]: Finished difference Result 173 states and 315 transitions. [2023-11-23 21:32:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 191 [2023-11-23 21:32:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:45,675 INFO L225 Difference]: With dead ends: 173 [2023-11-23 21:32:45,676 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:32:45,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 190 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 21:32:45,687 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:45,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:32:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:32:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-23 21:32:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 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 21:32:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 138 transitions. [2023-11-23 21:32:45,762 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 138 transitions. Word has length 191 [2023-11-23 21:32:45,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:45,763 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 138 transitions. [2023-11-23 21:32:45,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 21:32:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2023-11-23 21:32:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 21:32:45,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:45,779 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 21:32:45,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:45,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:32:45,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:45,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:45,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1629881904, now seen corresponding path program 1 times [2023-11-23 21:32:45,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:45,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520444261] [2023-11-23 21:32:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:45,998 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 21:32:45,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:46,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:32:46,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:32:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:46,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:32:46,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:50,159 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 21:32:50,159 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:51,639 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 21:32:51,640 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520444261] [2023-11-23 21:32:51,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520444261] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:51,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1137905184] [2023-11-23 21:32:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:32:51,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:32:51,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:32:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:53,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:32:53,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:56,859 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 21:32:56,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:56,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1137905184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:56,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:32:56,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 6] total 13 [2023-11-23 21:32:56,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053495534] [2023-11-23 21:32:56,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:56,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:56,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:32:56,865 INFO L87 Difference]: Start difference. First operand 86 states and 138 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 21:32:59,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:01,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:03,253 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 21:33:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:03,393 INFO L93 Difference]: Finished difference Result 256 states and 412 transitions. [2023-11-23 21:33:03,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:33:03,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) Word has length 191 [2023-11-23 21:33:03,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:03,404 INFO L225 Difference]: With dead ends: 256 [2023-11-23 21:33:03,404 INFO L226 Difference]: Without dead ends: 171 [2023-11-23 21:33:03,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-23 21:33:03,409 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:03,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 279 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 21:33:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-23 21:33:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2023-11-23 21:33:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 104 states have internal predecessors, (149), 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 21:33:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 273 transitions. [2023-11-23 21:33:03,496 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 273 transitions. Word has length 191 [2023-11-23 21:33:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:33:03,498 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 273 transitions. [2023-11-23 21:33:03,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 21:33:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 273 transitions. [2023-11-23 21:33:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:33:03,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:03,505 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, 1] [2023-11-23 21:33:03,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:33:03,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:33:03,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:33:03,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:03,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1082363623, now seen corresponding path program 1 times [2023-11-23 21:33:03,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:03,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1067194364] [2023-11-23 21:33:03,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:03,925 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 21:33:03,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:03,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:33:03,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/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 21:33:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:04,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:33:04,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:08,015 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 21:33:08,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:33:09,660 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 21:33:09,661 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:33:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1067194364] [2023-11-23 21:33:09,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1067194364] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:33:09,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [614032190] [2023-11-23 21:33:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:09,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:33:09,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:33:09,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:33:09,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1f9888-dd90-4d58-82fa-da7380e291c3/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 21:33:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:10,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:33:10,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:11,138 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 21:33:11,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:33:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [614032190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:11,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:33:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 14 [2023-11-23 21:33:11,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589856056] [2023-11-23 21:33:11,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:11,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:33:11,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:33:11,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:33:11,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:33:11,143 INFO L87 Difference]: Start difference. First operand 169 states and 273 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 21:33:14,010 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 []